Merge pull request #589 from stack-of-tasks/dependabot/github_actions/devel/actions/attest-build-provenance-3

build(deps): bump actions/attest-build-provenance from 2 to 3

Author: jorisv

.github/workflows/dockgen.yml

@@ -46,7 +46,7 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
 
       - name: Generate artifact attestation
-        uses: actions/attest-build-provenance@v2
+        uses: actions/attest-build-provenance@v3
         with:
           subject-name: ghcr.io/${{ github.repository }}
           subject-digest: ${{ steps.push.outputs.digest }}