Bump actions/attest-build-provenance from 3.0.0 to 3.2.0

Bumps [actions/attest-build-provenance](https://github.com/actions/attest-build-provenance) from 3.0.0 to 3.2.0.
- [Release notes](https://github.com/actions/attest-build-provenance/releases)
- [Changelog](https://github.com/actions/attest-build-provenance/blob/main/RELEASE.md)
- [Commits](977bb373ed...96278af6ca)

---
updated-dependencies:
- dependency-name: actions/attest-build-provenance
  dependency-version: 3.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/cicd.yml

@@ -364,7 +364,7 @@ jobs:
 
       - name: Attest build provenance (GHCR)
         id: attest-ghcr
-        uses: actions/attest-build-provenance@977bb373ede98d70efdf65b84cb5f73e068dcc2a # v3.0.0
+        uses: actions/attest-build-provenance@96278af6caaf10aea03fd8d33a09a777ca52d62f # v3.2.0
         with:
           subject-name: ${{ env.GHCR_IMAGE }}
           subject-digest: ${{ steps.build.outputs.digest }}
@@ -374,7 +374,7 @@ jobs:
       - name: Attest build provenance (Docker Hub)
         continue-on-error: true
         id: attest-dh
-        uses: actions/attest-build-provenance@977bb373ede98d70efdf65b84cb5f73e068dcc2a # v3.0.0
+        uses: actions/attest-build-provenance@96278af6caaf10aea03fd8d33a09a777ca52d62f # v3.2.0
         with:
           subject-name: index.docker.io/fosrl/${{ github.event.repository.name }}
           subject-digest: ${{ steps.build.outputs.digest }}