Update update_feedstock.py - use the user id of the person who started the build

gitlab/update_feedstock.py

@@ -184,7 +184,10 @@ def main(package, direct_push=False):
                  ['git', 'add', '-A'])
     try:
       run_commands(['git', 'commit', '-am',
-                    'Update to version {}'.format(stable_version)])
+                    'Update to version {}'.format(stable_version),
+                    '--author', '{} <{}>'.format(
+                        os.environ.get('GITLAB_USER_ID'),
+                        os.environ.get('GITLAB_USER_EMAIL'))])
     except ValueError:
       print('Feedstock is already uptodate, skipping.')
       return