Bump actions/attest-build-provenance from 3 to 4

Bumps [actions/attest-build-provenance](https://github.com/actions/attest-build-provenance) from 3 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](actions/attest-build-provenance@v3...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>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -108,7 +108,7 @@ jobs:
         if-no-files-found: error
         path: target/scala-2.13/jsonoid-discovery*.jar
     - name: Attest build provenance
-      uses: actions/attest-build-provenance@v3
+      uses: actions/attest-build-provenance@v4
       if: ${{ github.event_name != 'pull_request' }}
       with:
         subject-path: 'target/scala-2.13/jsonoid-discovery*.jar'

.github/workflows/docker.yml

@@ -80,7 +80,7 @@ jobs:
         tags: ${{ steps.meta.outputs.tags }}
         labels: ${{ steps.meta.outputs.labels }}
     - name: Attest
-      uses: actions/attest-build-provenance@v3
+      uses: actions/attest-build-provenance@v4
       id: attest
       with:
         subject-name: index.docker.io/michaelmior/jsonoid-discovery