chore: bump docker/build-push-action from 2.7.0 to 2.9.0 (#12)

Author: dependabot[bot]

.github/workflows/release.yaml

@@ -59,7 +59,7 @@ jobs:
           images: ${{ env.REGISTRY }}/${{ env.OWNER }}/${{ env.IMAGE_NAME }}
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@v2.7.0
+        uses: docker/build-push-action@v2.9.0
         with:
           context: .
           push: true