CI: Fix docker/setup-qemu-action to run first

https: //github.com/docker/setup-qemu-action/?tab=readme-ov-file#usage

Author: ledermann

.github/workflows/push.yml

@@ -72,14 +72,14 @@ jobs:
             type=semver,pattern={{major}}
             type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
 
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
         with:
           platforms: linux/amd64,linux/arm64,linux/arm/v7
 
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with: