Update docker/setup-buildx-action action to v3.7.0

Author: renovate[bot]

.github/workflows/ghcr.yml

@@ -22,7 +22,7 @@ jobs:
         uses: docker/setup-qemu-action@v3.2.0
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3.6.1
+        uses: docker/setup-buildx-action@v3.7.0
 
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3.3.0