ci: disable --experimental-strip-types on Node.js 22

[pichlermarc]

Which problem is this PR solving?

Relates to #5415
Relates to nodejs/node#59364

Short description of the changes

disable --experimental-strip-types on Node.js 22

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.01%. Comparing base (549e0a6) to head (a74d87a).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5851   +/-   ##
=======================================
  Coverage   95.01%   95.01%           
=======================================
  Files         303      303           
  Lines        7943     7943           
  Branches     1607     1607           
=======================================
  Hits         7547     7547           
  Misses        396      396           

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[legendecas]

Upgrading mocha may also address the issue: #5850. But it seems like CI is failing on the moca upgrade.

[pichlermarc]

Upgrading mocha may also address the issue: #5850. But it seems like CI is failing on the moca upgrade.

yep, seems to be something on the latest Node.js v20 version only. I've looked into it briefly but was not able to find out yet what's wrong 😕