Bump version to 4.0.0rc4

[Mark90]

No description provided.

[codspeed-hq]

CodSpeed Performance Report

Merging #940 will not alter performance

_{Comparing bump-version-4.0.0rc4 (fba1a56) with main (dd30fd5)}

Summary

✅ 12 untouched benchmarks

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.86%. Comparing base (dd30fd5) to head (fba1a56).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #940   +/-   ##
=======================================
  Coverage   83.86%   83.86%           
=======================================
  Files         210      210           
  Lines       10185    10185           
  Branches     1003     1003           
=======================================
  Hits         8542     8542           
  Misses       1376     1376           
  Partials      267      267           

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