Fix minor bug with lock, change update in warning

jarvis_tasks/tasks/lock.py

@@ -23,6 +23,8 @@ async def _unlock(channel: GuildChannel, lock: Lock, logger: Logger) -> None:
         await channel.delete_permission(target=overwrite, reason="Automatic unlock")
     else:
         logger.debug("Permission neither exists not existed")
+    lock.active = False
+    await lock.commit()
 
 
 async def unlock(bot: Snake, logger: Logger) -> None:

jarvis_tasks/tasks/warning.py

@@ -12,7 +12,7 @@ from jarvis_tasks.util import runat
 
 async def _unwarn(warn: Warning, logger: Logger) -> None:
     logger.debug(f"Deactivating warning {warn.id}")
-    warn.update(q(active=False))
+    warn.active = False
     await warn.commit()