chore: Bump version to 4.0.0-rc.1

[artonge]

Signed-off-by: Louis Chmn louis@chmn.me

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.16%. Comparing base (0781fc5) to head (0885b45).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1477   +/-   ##
=======================================
  Coverage   86.16%   86.16%           
=======================================
  Files          27       27           
  Lines         665      665           
  Branches      196      196           
=======================================
  Hits          573      573           
  Misses         80       80           
  Partials       12       12           

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[artonge]

Or should we publish the final version?

[susnux]

Or should we publish the final version?

Lets do rc1 and final next week