Bump channels from 4.1.0 to 4.2.0 (#740)

Bumps [channels](https://github.com/django/channels) from 4.1.0 to 4.2.0.
- [Changelog](https://github.com/django/channels/blob/main/CHANGELOG.txt)
- [Commits](django/channels@4.1.0...4.2.0)

---
updated-dependencies:
- dependency-name: channels
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

tests/requirements.txt

@@ -1,6 +1,6 @@
 # base
 celery==5.4.0
-channels==4.1.0
+channels==4.2.0
 # django explicitly not listed here because azure installs a particular series immediately after
 django-ical==1.9.2
 django-paypal==1.1.2