upgrade to latest buildx action

Author: lystopad

.github/workflows/testing-release-self-hosted-runner.yml

@@ -102,7 +102,8 @@ jobs:
         uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf ## v3.2.0
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db ## v3.6.1
+        ## uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db ## v3.6.1
+        uses: docker/setup-buildx-action@v3
         with:
           platforms: linux/amd64,linux/amd64/v2,linux/arm64