Update alpine-mainline.yml

Author: alessfg

.github/workflows/alpine-mainline.yml

@@ -84,6 +84,8 @@ jobs:
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
+        with:
+          driver-opts: network=host
 
       - name: Download Alpine slim image artifact
         uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8