Increase log level for these errors #5421

Describe the feature

Currently, these log messages are logged at INFO level. I think they should be WARNING level instead. In a brief look at the code, I think this would apply to API and some other loggers as well.

[WebRTC] connection 172.24.80.38:22879 failed to authenticate: token has invalid claims: token is expired
[WebRTC] [session 0a0e2d2a] closed: source of path 'srt/30928' has timed out