MAINT: Update docker/build-push-action digest to ca877d9

Author: zon-renovate

.github/workflows/release.yaml

@@ -31,7 +31,7 @@ jobs:
           project_name: ${{env.project}}
           environment: production
           gar_docker_auth: true
-      - uses: docker/build-push-action@67a2d409c0a876cbe6b11854e3e25193efe4e62d # v6
+      - uses: docker/build-push-action@ca877d9245402d1537745e0e356eab47c3520991 # v6
         with:
           context: .
           tags: ${{secrets.GAR_DOCKER_REGISTRY}}/${{env.project}}:${{github.sha}}