Bump to version 1.23.3

[TonyCTHsu]

Added

• Add post install message about 2.x upgrade (Add post_install_message in gemspec #3723)

Fixed

• Fix telemetry events blocking main thread (fix: move telemetry events sending out of the critical path to a background thread #3740)
• Fix deadlock from telemetry threads (fix telemetry threads deadlock backport #3745)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.25%. Comparing base (c891ba8) to head (5ec8959).

Additional details and impacted files

@@             Coverage Diff             @@
##           1.x-stable    #3748   +/-   ##
===========================================
  Coverage       98.25%   98.25%           
===========================================
  Files            1257     1257           
  Lines           74916    74916           
  Branches         3566     3566           
===========================================
  Hits            73606    73606           
  Misses           1310     1310           

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