adds insecure docker proxy.

.github/workflows/ci-qemu.yml

@@ -62,6 +62,8 @@ jobs:
           config-inline: |
             [registry."docker.io"]
               mirrors = ["${{ secrets.DOCKERHUB_PROXY_HOSTNAME }}"]
+              http = true
+              insecure = true
             [registry."${{ secrets.PRIVATEHUB_HOSTNAME }}"]
               http = true
               insecure = true