We were using prosody,util.json and cjson at the same time, but the latter is more performant.
Adds some error handling which were missing with the prosody util json one.
Deprecates current component for conference duration. Will wait a bit for mobile to catch up and then we can delete the code.
chore(deps) lib-jitsi-meet@latest
jitsi/lib-jitsi-meet@v1767.0.0+178f9bbf...v1769.0.0+ff9f57c5
When using directly log( the log lines come from `general` not from the module itself.
`Aug 29 19:38:08 general info Starting speakerstats for conference...`
It's starting at 1 hour because os.time(os.date("!*t") returns the wrong
time depending on system timezone. os.time() already returns the number
of seconds since epoch in UTC so just use that.
Fixes#5595
