docs: fix role

Maintainer role is mandatory as we are trying to push the main branch.

README.md

@@ -345,4 +345,4 @@ The template handles both classic variable and file variable.
 
 Simply specify :lock: `$GIT_USERNAME` and :lock: `$GIT_PASSWORD` as secret project variables.
 
-Note that the password should be an access token (preferably a [project](https://docs.gitlab.com/ee/user/project/settings/project_access_tokens.html) or [group](https://docs.gitlab.com/ee/user/group/settings/group_access_tokens.html) access token) with `write_repository` scope and `Developer` role.
+Note that the password should be an access token (preferably a [project](https://docs.gitlab.com/ee/user/project/settings/project_access_tokens.html) or [group](https://docs.gitlab.com/ee/user/group/settings/group_access_tokens.html) access token) with `write_repository` scope and `Maintainer` role.