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

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 3.0.0 to 3.1.0
- [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@977bb37...00014ed)

---
updated-dependencies:
- dependency-name: actions/attest-build-provenance
  dependency-version: 3.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/publish.yml

@@ -57,7 +57,7 @@ jobs:
         cache-to: type=gha,mode=max
 
     - name: Attest container image
-      uses: actions/attest-build-provenance@977bb373ede98d70efdf65b84cb5f73e068dcc2a # v3.0.0
+      uses: actions/attest-build-provenance@00014ed6ed5efc5b1ab7f7f34a39eb55d41aa4f8 # v3.1.0
       with:
         subject-digest: ${{steps.docker-build-push.outputs.digest}}
         subject-name: ghcr.io/${{github.repository}}-backend
@@ -109,7 +109,7 @@ jobs:
         cache-to: type=gha,mode=max
 
     - name: Attest container image
-      uses: actions/attest-build-provenance@977bb373ede98d70efdf65b84cb5f73e068dcc2a # v3.0.0
+      uses: actions/attest-build-provenance@00014ed6ed5efc5b1ab7f7f34a39eb55d41aa4f8 # v3.1.0
       with:
         subject-digest: ${{steps.docker-build-push.outputs.digest}}
         subject-name: ghcr.io/${{github.repository}}-frontend