hack: mount docker config on gha

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

hack/test

@@ -111,7 +111,15 @@ if [ "$TEST_KEEP_CACHE" != "1" ]; then
   trap 'docker rm -v $cacheVolume' EXIT
 fi
 
-baseCreateFlags="--rm --privileged \
+dockerConfigMount=""
+if [ "$GITHUB_ACTIONS" = "true" ]; then
+  dockerConfigPath="$HOME/.docker/config.json"
+  if [ -f "$dockerConfigPath" ]; then
+    dockerConfigMount="-v $dockerConfigPath:/root/.docker/config.json:ro"
+  fi
+fi
+
+baseCreateFlags="--rm --privileged $dockerConfigMount \
 -v /tmp $testReportsVol \
 --volumes-from=$cacheVolume \
 -e CGO_ENABLED \