Release 2.20.0

[Steve-Mcl]

• Update CHANGELOG for 2.20.0
• Update version to 2.20.0

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.49%. Comparing base (b36f434) to head (a85b721).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5851   +/-   ##
=======================================
  Coverage   76.49%   76.49%           
=======================================
  Files         369      369           
  Lines       17969    17969           
  Branches     4189     4189           
=======================================
  Hits        13745    13745           
  Misses       4224     4224           

Flag	Coverage Δ
backend	76.49% <ø> (ø)

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