fix: updated gemfile ref

run.sh

@@ -65,7 +65,7 @@ case "$1" in
     ;;
   gu|gemfile-updater)
     shift
-    docker run -it -v "$(pwd)":/app -v /usr/local/bundle:/usr/local/bundle gitlab.nexdev.uk:5555/pub/base-image-gemfile-updater:v2.0.0 "$@"
+    docker run -it -v "$(pwd)":/app -v /usr/local/bundle:/usr/local/bundle registry.cluster.nexdev.uk/nexus-mods/devops/tools/base-image-gemfile-updater:v2.0.1 "$@"
     ;;
   bu|bundle-update)
     shift