build(deps): bump actions/attest-build-provenance (#590)

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 2.0.1 to 2.1.0
- [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...7668571)

Author: dependabot[bot]

.github/workflows/release.yml

@@ -61,7 +61,7 @@ jobs:
           retention-days: 5
 
       - name: generate build provenance (binaries)
-        uses: actions/attest-build-provenance@c4fbc648846ca6f503a13a2281a5e7b98aa57202  # v2.0.1
+        uses: actions/attest-build-provenance@7668571508540a607bdfd90a87a560489fe372eb  # v2.1.0
         with:
           subject-path: "${{ github.workspace }}/dist/*.*"
 
@@ -71,13 +71,13 @@ jobs:
         run: .ci/get-docker-provenance.sh
 
       - name: generate build provenance (containers x86_64)
-        uses: actions/attest-build-provenance@c4fbc648846ca6f503a13a2281a5e7b98aa57202  # v2.0.1
+        uses: actions/attest-build-provenance@7668571508540a607bdfd90a87a560489fe372eb  # v2.1.0
         with:
           subject-name: ${{ steps.image.outputs.name_1 }}
           subject-digest: ${{ steps.image.outputs.digest_1 }}
 
       - name: generate build provenance (containers arm64)
-        uses: actions/attest-build-provenance@c4fbc648846ca6f503a13a2281a5e7b98aa57202  # v2.0.1
+        uses: actions/attest-build-provenance@7668571508540a607bdfd90a87a560489fe372eb  # v2.1.0
         with:
           subject-name: ${{ steps.image.outputs.name_2 }}
           subject-digest: ${{ steps.image.outputs.digest_2 }}