Bump version and update CHANGELOG

[polly-updater-bot]

Update CHANGELOG and samples version for v8.5.0.

This pull request was generated by GitHub Actions.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.39%. Comparing base (520ee38) to head (b6cd84b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2379   +/-   ##
=======================================
  Coverage   85.39%   85.39%           
=======================================
  Files         312      312           
  Lines        7464     7464           
  Branches     1121     1121           
=======================================
  Hits         6374     6374           
  Misses        745      745           
  Partials      345      345           

Flag	Coverage Δ
linux	85.36% <ø> (-0.03%)	⬇️
macos	85.36% <ø> (-0.03%)	⬇️
windows	85.36% <ø> (-0.03%)	⬇️

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