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 1.4.4 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@ef24412...7668571)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/prerelease.yml

@@ -33,12 +33,12 @@ jobs:
         name: Release
 
       - name: Generate build provenance (Distribution)
-        uses: actions/attest-build-provenance@ef244123eb79f2f7a7e75d99086184180e6d0018  # v1.4.4
+        uses: actions/attest-build-provenance@7668571508540a607bdfd90a87a560489fe372eb  # v2.1.0
         with:
           subject-path: "${{ github.workspace }}/${{ env.RELEASE_DISTRO }}"
 
       - name: Generate build provenance (Packages)
-        uses: actions/attest-build-provenance@ef244123eb79f2f7a7e75d99086184180e6d0018  # v1.4.4
+        uses: actions/attest-build-provenance@7668571508540a607bdfd90a87a560489fe372eb  # v2.1.0
         with:
           subject-path: "${{ github.workspace }}/${{ env.RELEASE_PACKAGES }}"
 

.github/workflows/release.yml

@@ -41,12 +41,12 @@ jobs:
       run: ls -al ${{ env.RELEASE_DISTRO }}
 
     - name: Generate build provenance (Distribution)
-      uses: actions/attest-build-provenance@ef244123eb79f2f7a7e75d99086184180e6d0018  # v1.4.4
+      uses: actions/attest-build-provenance@7668571508540a607bdfd90a87a560489fe372eb  # v2.1.0
       with:
         subject-path: "${{ github.workspace }}/${{ env.RELEASE_DISTRO }}"
 
     - name: Generate build provenance (Packages)
-      uses: actions/attest-build-provenance@ef244123eb79f2f7a7e75d99086184180e6d0018  # v1.4.4
+      uses: actions/attest-build-provenance@7668571508540a607bdfd90a87a560489fe372eb  # v2.1.0
       with:
         subject-path: "${{ github.workspace }}/${{ env.RELEASE_PACKAGES }}"
 
@@ -91,7 +91,7 @@ jobs:
         labels: ${{ steps.docker-meta.outputs.labels }}
 
     - name: Attest image
-      uses: actions/attest-build-provenance@ef244123eb79f2f7a7e75d99086184180e6d0018  # v1.4.4
+      uses: actions/attest-build-provenance@7668571508540a607bdfd90a87a560489fe372eb  # v2.1.0
       continue-on-error: true # continue for now until we see it working in action
       with:
         subject-name: ${{ env.DOCKER_IMAGE_NAME }}