build(deps): bump actions/attest-build-provenance (#1504)

Bumps the github-actions group with 1 update: [actions/attest-build-provenance](https://github.com/actions/attest-build-provenance).
Updates `actions/attest-build-provenance` from 1.4.4 to 2.0.1
- [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@ef24412...c4fbc64)

Author: dependabot[bot]

.github/workflows/release.yml

@@ -43,7 +43,7 @@ jobs:
         if:  ${{ ! startsWith(github.ref, 'refs/tags') }}
 
       - name: generate build provenance
-        uses: actions/attest-build-provenance@ef244123eb79f2f7a7e75d99086184180e6d0018  # v1.4.4
+        uses: actions/attest-build-provenance@c4fbc648846ca6f503a13a2281a5e7b98aa57202  # v2.0.1
         with:
           subject-path: "${{ github.workspace }}/pkg/*.gem"