chore(deps): update docker/setup-qemu-action action to v4 (#33)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/cd.yml

@@ -82,7 +82,7 @@ jobs:
 
       # 3. Docker Setup & Build FIRST (uses generic linux_* wheels)
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v4