chore: use npm >= 11.6.3 where possible

[pichlermarc]

Due to a bug in npm, I temporarily pinned it to 11.6.0 (#5979)
That bug is now resolved, so we can go to 11.6.3+.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.40%. Comparing base (4246776) to head (3be1d2c).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6196   +/-   ##
=======================================
  Coverage   95.40%   95.40%           
=======================================
  Files         317      317           
  Lines        9462     9462           
  Branches     2199     2199           
=======================================
  Hits         9027     9027           
  Misses        435      435           

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