Merge pull request OCA#320 from moduon/update-other-release-branches

[FIX] Update other release branches

Author: sbidoul

environment.sample

@@ -83,4 +83,4 @@ OCABOT_TWINE_REPOSITORIES="[('https://pypi.org/simple','https://upload.pypi.org/
 
 # List of branches the bot will check to verify if user is the maintainer
 # of module(s)
-MAINTAINER_CHECK_ODOO_RELEASES=8.0,9.0,10.0,11.0,12.0,13.0,14.0,15.0
+MAINTAINER_CHECK_ODOO_RELEASES=8.0,9.0,10.0,11.0,12.0,13.0,14.0,15.0,16.0,17.0,18.0