Revert "Use ENTRYPOINT instead of CMD"
What
This reverts commit fc420c7e.
As described in #93 (closed) the hugo deployment now breaks for existing users who specify hugo as the script entry.
Workaround in the meantime
-image: registry.gitlab.com/pages/hugo:latest
+image:
+ name: registry.gitlab.com/pages/hugo:latest
+ entrypoint: [""]