A trigger might use a connection; make sure we mask passwords (#21207)

(cherry picked from commit 3d0c1ae)

airflow/cli/commands/triggerer_command.py

@@ -30,6 +30,7 @@
 @cli_utils.action_logging
 def triggerer(args):
     """Starts Airflow Triggerer"""
+    settings.MASK_SECRETS_IN_LOGS = True
     print(settings.HEADER)
     job = TriggererJob(capacity=args.capacity)