build(deps-dev): bump pylint from 2.8.3 to 2.9.0 (#1095)

* build(deps-dev): bump pylint from 2.8.3 to 2.9.0

Bumps [pylint](https://github.com/PyCQA/pylint) from 2.8.3 to 2.9.0.
- [Release notes](https://github.com/PyCQA/pylint/releases)
- [Changelog](https://github.com/PyCQA/pylint/blob/master/ChangeLog)
- [Commits](https://github.com/PyCQA/pylint/compare/v2.8.3...v2.9.0)

---
updated-dependencies:
- dependency-name: pylint
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* *: update source for new pylint version

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jens Langhammer <jens.langhammer@beryju.org>

authentik/outposts/channels.py

@@ -69,7 +69,7 @@ class OutpostConsumer(AuthJsonConsumer):
         self.last_uid = self.channel_name
 
     # pylint: disable=unused-argument
-    def disconnect(self, close_code):
+    def disconnect(self, code):
         if self.outpost and self.last_uid:
             state = OutpostState.for_instance_uid(self.outpost, self.last_uid)
             if self.channel_name in state.channel_ids: