Fix cross-platform builds with Alpine 3.23

Author: ledermann

.github/workflows/build-and-push-images.yml

@@ -44,14 +44,14 @@ jobs:
           tags: |
             type=raw,value=${{ matrix.postgres }},enable=${{ github.ref == format('refs/heads/{0}', 'master') }}
 
-      - 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
 
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Build and push Docker image
         uses: docker/build-push-action@v6
         with: