Bump actions/attest-build-provenance from 3.2.0 to 4.0.0 (#45)

Bumps [actions/attest-build-provenance](https://github.com/actions/attest-build-provenance) from 3.2.0 to 4.0.0.
- [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@96278af...e4d4f7c)

---
updated-dependencies:
- dependency-name: actions/attest-build-provenance
  dependency-version: 4.0.0
  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>

Author: dependabot[bot]

.github/workflows/docker.yaml

@@ -39,7 +39,7 @@ jobs:
           push: true
           tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:dev
       - name: Attest
-        uses: actions/attest-build-provenance@96278af6caaf10aea03fd8d33a09a777ca52d62f # v 3.2.0
+        uses: actions/attest-build-provenance@e4d4f7c39adfa4c260fb5c147f0622000aa14b99 # v 4.0.0
         id: attest
         with:
           subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

.github/workflows/release.yaml

@@ -51,7 +51,7 @@ jobs:
           platforms: linux/amd64,linux/arm64
 
       - name: Attest build provenance
-        uses: actions/attest-build-provenance@96278af6caaf10aea03fd8d33a09a777ca52d62f # v3.2.0
+        uses: actions/attest-build-provenance@e4d4f7c39adfa4c260fb5c147f0622000aa14b99 # v4.0.0
         with:
           subject-name: ghcr.io/github/artifact-attestations-opa-provider
           subject-digest: ${{ steps.push.outputs.digest }}