Update bare exceptions to specify Exception.

This will keep us from accidentally catching program-exiting exceptions
like KeyboardInterupt and SystemExit.

lib/ansible/modules/source_control/gitlab_user.py

@@ -124,7 +124,7 @@ RETURN = '''# '''
 try:
     import gitlab
     HAS_GITLAB_PACKAGE = True
-except:
+except Exception:
     HAS_GITLAB_PACKAGE = False
 
 from ansible.module_utils.basic import AnsibleModule