src: update all services to use new API.User class

Use the new API.User bindings class in all services for user-related
operations.

Signed-off-by: Guillaume Tucker <gtucker@gtucker.io>

Author: gctucker

src/timeout.py

@@ -27,7 +27,7 @@ def __init__(self, configs, args, name):
             state.value for state in self._api.node.states
             if state != state.DONE
         ]
-        self._user = self._api.whoami()
+        self._user = self._api.user.whoami()
         self._username = self._user['username']
 
     def _setup(self, args):

src/trigger.py

@@ -28,7 +28,7 @@ class Trigger(Service):
     def __init__(self, configs, args):
         super().__init__(configs, args, 'trigger')
         self._build_configs = configs['build_configs']
-        self._current_user = self._api.whoami()
+        self._current_user = self._api.user.whoami()
 
     def _log_revision(self, message, build_config, head_commit):
         self.log.info(f"{message:32s} {build_config.name:32s} {head_commit}")