Start using release-plan

[mansona]

I mentioned in my previous PR #1038 that I noticed @bertdeblock 's recent work and was looking forward to see a list of changes that will be coming in the next release and which changes were considered breaking.

This PR is moving us to release-plan so that we can have that list before we actually do the release 👍

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.49%. Comparing base (874252c) to head (2cc2cc1).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1039   +/-   ##
=======================================
  Coverage   95.49%   95.49%           
=======================================
  Files          21       21           
  Lines         511      511           
=======================================
  Hits          488      488           
  Misses         23       23           

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[bertdeblock]

Is the --single-package option not needed anymore when running in a non-monorepo?

[mansona]

@bertdeblock no it's not needed any more 👍 I actually have been meaning to remove it upstream 🙈 it's totally not needed any more