Update websocket-client requirement in /requirements

Updates the requirements on [websocket-client](https://github.com/websocket-client/websocket-client) to permit the latest version.
- [Release notes](https://github.com/websocket-client/websocket-client/releases)
- [Changelog](https://github.com/websocket-client/websocket-client/blob/master/ChangeLog)
- [Commits](websocket-client/websocket-client@v0.3.0...v1.6.1)

---
updated-dependencies:
- dependency-name: websocket-client
  dependency-type: direct:production
...

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

requirements/app/base.txt

@@ -25,5 +25,5 @@ requests <2.31.1
 rich >=12.3.0, <=13.4.2
 urllib3 <=2.0.2
 uvicorn <=0.22.0
-websocket-client <1.5.3
+websocket-client <1.6.2
 websockets <=10.4