Update 3.5 changelog to cover the race condition fix

[ahrtr]

Link to #19258 and #19172

cc @fuweid @serathius @ivanvc @jmhbnz

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.82%. Comparing base (43431bd) to head (ece0c39).
Report is 4 commits behind head on main.

Additional details and impacted files

see 24 files with indirect coverage changes

@@            Coverage Diff             @@
##             main   #19259      +/-   ##
==========================================
- Coverage   68.86%   68.82%   -0.04%     
==========================================
  Files         420      420              
  Lines       35670    35675       +5     
==========================================
- Hits        24563    24554       -9     
- Misses       9684     9702      +18     
+ Partials     1423     1419       -4     

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