Update docker/build-push-action action to v6.7.0

Author: renovate[bot]

.github/workflows/docker.yml

@@ -40,7 +40,7 @@ jobs:
             type=edge,branch=$repo.default_branch
 
       - name: build+push
-        uses: docker/build-push-action@16ebe778df0e7752d2cfcbd924afdbbd89c1a755 # v6.6.1
+        uses: docker/build-push-action@5cd11c3a4ced054e52742c5fd54dca954e0edd85 # v6.7.0
         with:
           platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
           push: ${{ github.ref == 'refs/heads/master' }}