Update channels requirement from ==4.1.* to ==4.2.* in /server (#276)

Updates the requirements on [channels](https://github.com/django/channels) to permit the latest version.
- [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
...

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

server/requirements.txt

@@ -3,7 +3,7 @@ aiofile==3.9.*
 aiohttp==3.10.10
 beautifulsoup4==4.12.*
 celery==5.4.*
-channels==4.1.*
+channels==4.2.*
 channels_redis==4.2.*
 Django==4.2.*
 django-cors-headers==4.4.*