Bump actions/attest-build-provenance from 1 to 4 (#363)

Bumps [actions/attest-build-provenance](https://github.com/actions/attest-build-provenance) from 1 to 4.
- [Release notes](https://github.com/actions/attest-build-provenance/releases)
- [Changelog](https://github.com/actions/attest-build-provenance/blob/main/RELEASE.md)
- [Commits](https://github.com/actions/attest-build-provenance/compare/v1...v4)

---
updated-dependencies:
- dependency-name: actions/attest-build-provenance
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/docker-build-nightly.yml

@@ -54,7 +54,7 @@ jobs:
           tags: ${{ env.REGISTRY_LOWER }}/${{ env.REPOSITORY_LOWER }}:nightly
           labels: "nightly"
       - name: Generate artifact attestation
-        uses: actions/attest-build-provenance@v1.4.4
+        uses: actions/attest-build-provenance@v4
         with:
           subject-name: ${{ env.REGISTRY }}/${{ github.repository }}
           subject-digest: ${{ steps.push.outputs.digest }}

.github/workflows/docker-build-pr.yml

@@ -59,7 +59,7 @@ jobs:
           tags: "${{ env.REGISTRY_LOWER }}/${{ env.REPOSITORY_LOWER }}-pr:${{ env.PR_NUMBER }}"
           labels: "${{ env.PR_NUMBER }}"
       - name: Generate artifact attestation
-        uses: actions/attest-build-provenance@v1.4.4
+        uses: actions/attest-build-provenance@v4
         with:
           subject-name: ${{ env.REGISTRY_LOWER }}/${{ env.REPOSITORY_LOWER }}-pr
           subject-digest: ${{ steps.push.outputs.digest }}

.github/workflows/docker-build-release.yml

@@ -62,7 +62,7 @@ jobs:
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
       - name: Generate artifact attestation
-        uses: actions/attest-build-provenance@v1
+        uses: actions/attest-build-provenance@v4
         with:
           subject-name: ${{ env.REGISTRY }}/${{ github.repository }}
           subject-digest: ${{ steps.push.outputs.digest }}