feat: Sent UNIX timestamp in ms for raisedHand

[horymury]

No description provided.

[codecov]

Codecov Report

Merging #382 (72cd2df) into master (e933df5) will decrease coverage by 0.05%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master     #382      +/-   ##
============================================
- Coverage     23.67%   23.61%   -0.06%     
- Complexity      294      296       +2     
============================================
  Files            62       62              
  Lines          5416     5417       +1     
  Branches        731      731              
============================================
- Hits           1282     1279       -3     
- Misses         3918     3927       +9     
+ Partials        216      211       -5     

Impacted Files	Coverage Δ
...rc/main/java/org/jitsi/jigasi/AudioModeration.java	15.50% <0.00%> (-0.08%)	⬇️
...in/java/org/jitsi/jigasi/sounds/PlaybackQueue.java	54.38% <0.00%> (-1.76%)	⬇️
.../jitsi/jigasi/sounds/SoundNotificationManager.java	32.06% <0.00%> (-1.69%)	⬇️
.../main/java/org/jitsi/jigasi/SipGatewaySession.java	51.12% <0.00%> (+0.45%)	⬆️

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