Update CHANGELOG and API files for 1.8.0 stable release

[CodeBlanch]

nt

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.50%. Comparing base (6250307) to head (9ff87e2).
Report is 158 commits behind head on main.

❗ Current head 9ff87e2 differs from pull request most recent head 39999f5. Consider uploading reports for the commit 39999f5 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5494      +/-   ##
==========================================
+ Coverage   83.38%   85.50%   +2.12%     
==========================================
  Files         297      289       -8     
  Lines       12531    12591      +60     
==========================================
+ Hits        10449    10766     +317     
+ Misses       2082     1825     -257     

Flag	Coverage Δ
unittests	?
unittests-Solution-Experimental	85.29% <ø> (?)
unittests-Solution-Stable	85.47% <ø> (?)

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see 65 files with indirect coverage changes

[CodeBlanch]

Update: It got a little late in the day due to #5495 getting merged so I'm going to pick this up tomorrow first thing in the morning.