Update docker/setup-qemu-action action to v4

Author: renovate[bot]

.github/workflows/docker-hub.yml

@@ -31,7 +31,7 @@ jobs:
           echo ::set-output name=VERSION::${VERSION}
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@v4
         with:
           platforms: all