Bump strum from 0.26.2 to 0.26.3 (#5943)

Bumps [strum](https://github.com/Peternator7/strum) from 0.26.2 to
0.26.3.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/Peternator7/strum/releases">strum's
releases</a>.</em></p>
<blockquote>
<h2>v0.26.3</h2>
<h2>What's Changed</h2>
<ul>
<li>Fix typos &amp; misspellings in docs by <a
href="https://github.com/5-pebbles"><code>@​5-pebbles</code></a> in <a
href="https://redirect.github.com/Peternator7/strum/pull/347">Peternator7/strum#347</a></li>
<li>Update <code>heck</code> requirement by <a
href="https://github.com/smoelius"><code>@​smoelius</code></a> in <a
href="https://redirect.github.com/Peternator7/strum/pull/346">Peternator7/strum#346</a></li>
<li>Fix broken links by <a
href="https://github.com/rainbowatcher"><code>@​rainbowatcher</code></a>
in <a
href="https://redirect.github.com/Peternator7/strum/pull/350">Peternator7/strum#350</a></li>
<li>Interpolate unnamed enum variant fields in to_string attribute by <a
href="https://github.com/gin-ahirsch"><code>@​gin-ahirsch</code></a> in
<a
href="https://redirect.github.com/Peternator7/strum/pull/345">Peternator7/strum#345</a></li>
<li>add hyperlinks to documentation and clarify derive macros by <a
href="https://github.com/lolbinarycat"><code>@​lolbinarycat</code></a>
in <a
href="https://redirect.github.com/Peternator7/strum/pull/355">Peternator7/strum#355</a></li>
<li>Use fully qualified syntax for calling <code>get</code> on an
<code>EnumIter</code>, eliminating ambiguities by <a
href="https://github.com/bluurryy"><code>@​bluurryy</code></a> in <a
href="https://redirect.github.com/Peternator7/strum/pull/357">Peternator7/strum#357</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/5-pebbles"><code>@​5-pebbles</code></a>
made their first contribution in <a
href="https://redirect.github.com/Peternator7/strum/pull/347">Peternator7/strum#347</a></li>
<li><a
href="https://github.com/rainbowatcher"><code>@​rainbowatcher</code></a>
made their first contribution in <a
href="https://redirect.github.com/Peternator7/strum/pull/350">Peternator7/strum#350</a></li>
<li><a
href="https://github.com/gin-ahirsch"><code>@​gin-ahirsch</code></a>
made their first contribution in <a
href="https://redirect.github.com/Peternator7/strum/pull/345">Peternator7/strum#345</a></li>
<li><a
href="https://github.com/lolbinarycat"><code>@​lolbinarycat</code></a>
made their first contribution in <a
href="https://redirect.github.com/Peternator7/strum/pull/355">Peternator7/strum#355</a></li>
<li><a href="https://github.com/bluurryy"><code>@​bluurryy</code></a>
made their first contribution in <a
href="https://redirect.github.com/Peternator7/strum/pull/357">Peternator7/strum#357</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/Peternator7/strum/compare/v0.26.2...v0.26.3">https://github.com/Peternator7/strum/compare/v0.26.2...v0.26.3</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/Peternator7/strum/blob/master/CHANGELOG.md">strum's
changelog</a>.</em></p>
<blockquote>
<h2>0.26.3 (strum_macros)</h2>
<ul>
<li><a
href="https://redirect.github.com/Peternator7/strum/pull/344">#344</a>:
Hide <code>EnumTable</code> because it's going to be deprecated in the
next
version.</li>
<li><a
href="https://redirect.github.com/Peternator7/strum/pull/357">#357</a>:
Fixes an incompatiblity with <code>itertools</code> by using the fully
qualified name rather than the inherent method.</li>
<li><a
href="https://redirect.github.com/Peternator7/strum/pull/345">#345</a>:
Allows unnamed tuple like variants to use their variants in
string interpolation. <code>#[strum(to_string = &quot;Field 0: {0},
Field 1: {1})&quot;)]</code> will now work for tuple variants</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/Peternator7/strum/commit/c89286fc2a4916ee61133aaa8d63fce83f6fc39e"><code>c89286f</code></a>
Update changelog &amp; strum_macros version</li>
<li><a
href="https://github.com/Peternator7/strum/commit/0c85c16e12e80dd49e75117e7c94f697d0ad06d0"><code>0c85c16</code></a>
Use associated function syntax for calling <code>get</code> on an
<code>EnumIter</code>, eliminatin...</li>
<li><a
href="https://github.com/Peternator7/strum/commit/9689d7bb55bad0269c3fc9679a7434670139b12b"><code>9689d7b</code></a>
add hyperlinks to documentation and clarify derive macros (<a
href="https://redirect.github.com/Peternator7/strum/issues/355">#355</a>)</li>
<li><a
href="https://github.com/Peternator7/strum/commit/186d29f6a1691b6356a2d85d66f8904b9a5d3140"><code>186d29f</code></a>
Interpolate unnamed enum variant fields in to_string attribute (<a
href="https://redirect.github.com/Peternator7/strum/issues/345">#345</a>)</li>
<li><a
href="https://github.com/Peternator7/strum/commit/410062e122e001e6c3725cdc91483a0d4de5ca31"><code>410062e</code></a>
Fix broken links (<a
href="https://redirect.github.com/Peternator7/strum/issues/350">#350</a>)</li>
<li><a
href="https://github.com/Peternator7/strum/commit/1e46337eb2ec71caccf2fc35929e2f0cbedbb3c2"><code>1e46337</code></a>
Update <code>heck</code> requirement (<a
href="https://redirect.github.com/Peternator7/strum/issues/346">#346</a>)</li>
<li><a
href="https://github.com/Peternator7/strum/commit/f5fce032ed381a334e81676bd2c391353c265476"><code>f5fce03</code></a>
Fix typos &amp; misspellings in docs (<a
href="https://redirect.github.com/Peternator7/strum/issues/347">#347</a>)</li>
<li>See full diff in <a
href="https://github.com/Peternator7/strum/compare/v0.26.2...v0.26.3">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=strum&package-manager=cargo&previous-version=0.26.2&new-version=0.26.3)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
`@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits
that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after
your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge
and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating
it. You can achieve the same result by closing it manually
- `@dependabot show <dependency name> ignore conditions` will show all
of the ignore conditions of the specified dependency
- `@dependabot ignore this major version` will close this PR and stop
Dependabot creating any more for this major version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop
Dependabot creating any more for this minor version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop
Dependabot creating any more for this dependency (unless you reopen the
PR or upgrade to it yourself)


</details>

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -1282,7 +1282,7 @@ ssz_rs_derive = { version = "0.9.0", default-features = false }
 static_assertions = { version = "1.1.0", default-features = false }
 static_init = { version = "1.0.3" }
 structopt = { version = "0.3" }
-strum = { version = "0.26.2", default-features = false }
+strum = { version = "0.26.3", default-features = false }
 subkey = { path = "substrate/bin/utils/subkey", default-features = false }
 substrate-bip39 = { path = "substrate/utils/substrate-bip39", default-features = false }
 substrate-build-script-utils = { path = "substrate/utils/build-script-utils", default-features = false }