Bump actions/attest-build-provenance from 2.2.0 to 2.2.1 (#851)

Bumps [actions/attest-build-provenance](https://github.com/actions/attest-build-provenance) from 2.2.0 to 2.2.1.
- [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@520d128...f9eaf23)

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

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

.github/workflows/build.yml

@@ -85,7 +85,7 @@ jobs:
         upload-release-assets: ${{ runner.os == 'Windows' }}
 
     - name: Attest artifacts
-      uses: actions/attest-build-provenance@520d128f165991a6c774bcb264f323e3d70747f4 # v2.2.0
+      uses: actions/attest-build-provenance@f9eaf234fc1c2e333c1eca18177db0f44fa6ba52 # v2.2.1
       if: |
         runner.os == 'Windows' &&
         github.event.repository.fork == false &&