## Which issue(s) this PR closes
Patches some issues experienced on dev related to
https://github.com/grafana/oncall/pull/5397. Previous migration was
running into the following:
```bash
File "/usr/local/lib/python3.12/site-packages/pymysql/connections.py", line 775, in _read_packet
packet.raise_for_error()
File "/usr/local/lib/python3.12/site-packages/pymysql/protocol.py", line 219, in raise_for_error
err.raise_mysql_exception(self._data)
File "/usr/local/lib/python3.12/site-packages/pymysql/err.py", line 150, in raise_mysql_exception
raise errorclass(errno, errval)
django.db.utils.OperationalError: (1093, "You can't specify target table 'alerts_channelfilter' for update in FROM clause")
```
be10967883