build(deps): bump actions/attest-build-provenance

Bumps the github-actions group with 1 update in the / directory: [actions/attest-build-provenance](https://github.com/actions/attest-build-provenance).


Updates `actions/attest-build-provenance` from 2.0.1 to 2.2.0
- [Release notes](https://github.com/actions/attest-build-provenance/releases)
- [Changelog](https://github.com/actions/attest-build-provenance/blob/main/RELEASE.md)
- [Commits](actions/attest-build-provenance@c4fbc64...520d128)

---
updated-dependencies:
- dependency-name: actions/attest-build-provenance
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/release.yml

@@ -43,7 +43,7 @@ jobs:
         if:  ${{ ! startsWith(github.ref, 'refs/tags') }}
 
       - name: generate build provenance
-        uses: actions/attest-build-provenance@c4fbc648846ca6f503a13a2281a5e7b98aa57202  # v2.0.1
+        uses: actions/attest-build-provenance@520d128f165991a6c774bcb264f323e3d70747f4  # v2.2.0
         with:
           subject-path: "${{ github.workspace }}/pkg/*.gem"