Update websockets requirement from ==13.* to ==14.* in /server (#270)

Updates the requirements on [websockets](https://github.com/python-websockets/websockets) to permit the latest version.
- [Release notes](https://github.com/python-websockets/websockets/releases)
- [Commits](python-websockets/websockets@13.0...14.0)

---
updated-dependencies:
- dependency-name: websockets
  dependency-type: direct:production
...

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

server/requirements.txt

@@ -31,7 +31,7 @@ reportlab==4.2.*
 requests==2.32.*
 sentry-sdk==2.14.*
 tqdm==4.66.*
-websockets==13.*
+websockets==14.*
 
 # deploy
 psycopg2==2.9.10