Update docker/build-push-action action to v7 (#50)

Author: renovate[bot]

.github/workflows/release-docker.yml

@@ -69,7 +69,7 @@ jobs:
           registry: ${{ secrets.HARBOR_REGISTRY }}
       - name: Build and push
         id: build-and-push
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           push: true
           tags: ${{ steps.meta.outputs.tags }}