build(deps-dev): Bump jsii-docgen from 1.8.82 to 1.8.85 (#52)

Bumps [jsii-docgen](https://github.com/eladb/jsii-docgen) from 1.8.82 to 1.8.85.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/eladb/jsii-docgen/releases">jsii-docgen's releases</a>.</em></p>
<blockquote>
<h2>v1.8.85</h2>
<h3><a href="https://github.com/eladb/jsii-docgen/compare/v1.8.84...v1.8.85">1.8.85</a> (2021-05-19)</h3>
<h2>v1.8.84</h2>
<h3><a href="https://github.com/eladb/jsii-docgen/compare/v1.8.83...v1.8.84">1.8.84</a> (2021-05-19)</h3>
<h2>v1.8.83</h2>
<h3><a href="https://github.com/eladb/jsii-docgen/compare/v1.8.82...v1.8.83">1.8.83</a> (2021-05-19)</h3>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/cdklabs/jsii-docgen/commit/faf90f3969d628996b41594713115062084c1e4b"><code>faf90f3</code></a> chore(deps-dev): Bump <code>@​typescript-eslint/eslint-plugin</code> from 4.22.1 to 4.23.0 ...</li>
<li><a href="https://github.com/cdklabs/jsii-docgen/commit/0d7c1f53ab9e4090e1bc7c4f5db8a24d788e8850"><code>0d7c1f5</code></a> chore(deps-dev): Bump <code>@​typescript-eslint/parser</code> from 4.22.1 to 4.23.0 (<a href="https://github-redirect.dependabot.com/eladb/jsii-docgen/issues/323">#323</a>)</li>
<li><a href="https://github.com/cdklabs/jsii-docgen/commit/57a69b0b5f89b4f105247ca8bfd3f56ba6037ac5"><code>57a69b0</code></a> chore: upgrade projen (<a href="https://github-redirect.dependabot.com/eladb/jsii-docgen/issues/328">#328</a>)</li>
<li>See full diff in <a href="https://github.com/eladb/jsii-docgen/compare/v1.8.82...v1.8.85">compare view</a></li>
</ul>
</details>
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