Format the 3.5 changelog

[ahrtr]

Followup to #19028

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.81%. Comparing base (bbe48b3) to head (1163691).
Report is 1 commits behind head on main.

Additional details and impacted files

see 23 files with indirect coverage changes

@@            Coverage Diff             @@
##             main   #19031      +/-   ##
==========================================
+ Coverage   68.77%   68.81%   +0.04%     
==========================================
  Files         420      420              
  Lines       35623    35623              
==========================================
+ Hits        24499    24514      +15     
+ Misses       9695     9683      -12     
+ Partials     1429     1426       -3     

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[ivanvc]

LGTM. Thanks, @ahrtr

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