Update docker/setup-qemu-action action to v4

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -72,7 +72,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4
         with:
           platforms: all
       - uses: actions/setup-python@v6