Add 8.0.5 changelog entry from stable branch

[alchemycms-bot]

Syncs changelog entry from stable branch release to main.

This ensures tools like Dependabot can see the changelog for this release.

This PR was automatically created by the post-release workflow.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.47%. Comparing base (39d2471) to head (61d394a).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3601   +/-   ##
=======================================
  Coverage   97.47%   97.47%           
=======================================
  Files         314      314           
  Lines        8225     8225           
=======================================
  Hits         8017     8017           
  Misses        208      208           

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