Bump websocket-client from 1.6.2 to 1.6.3 in /tests

Bumps [websocket-client](https://github.com/websocket-client/websocket-client) from 1.6.2 to 1.6.3.
- [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@v1.6.2...v1.6.3)

---
updated-dependencies:
- dependency-name: websocket-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

tests/requirements.txt

@@ -513,9 +513,9 @@ urllib3==1.26.15 \
     #   -r requirements.txt
     #   kubernetes
     #   requests
-websocket-client==1.6.2 \
-    --hash=sha256:53e95c826bf800c4c465f50093a8c4ff091c7327023b10bfaff40cf1ef170eaa \
-    --hash=sha256:ce54f419dfae71f4bdba69ebe65bf7f0a93fe71bc009ad3a010aacc3eebad537
+websocket-client==1.6.3 \
+    --hash=sha256:3aad25d31284266bcfcfd1fd8a743f63282305a364b8d0948a43bd606acc652f \
+    --hash=sha256:6cfc30d051ebabb73a5fa246efdcc14c8fbebbd0330f8984ac3bb6d9edd2ad03
     # via
     #   -r requirements.txt
     #   kubernetes