Thanks @serhiy-storchaka for the PR, and @ambv for merging it 🌮🎉.. I'm working now to backport this PR to: 3.10, 3.11.
🐍🍒⛏🤖 I'm not a witch! I'm not a witch!

Sorry, @serhiy-storchaka and @ambv, I could not cleanly backport this to 3.11 due to a conflict.
Please backport using cherry_picker on command line.
cherry_picker 922a6cf6c265e2763a003291885ff74d46203fc3 3.11

Sorry @serhiy-storchaka and @ambv, I had trouble checking out the 3.10 backport branch.
Please retry by removing and re-adding the "needs backport to 3.10" label.
Alternatively, you can backport using cherry_picker on the command line.
cherry_picker 922a6cf6c265e2763a003291885ff74d46203fc3 3.10

GH-100016 is a backport of this pull request to the 3.11 branch.

GH-100017 is a backport of this pull request to the 3.10 branch.

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot x86 Gentoo Installed with X 3.x has failed when building commit 922a6cf.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/464/builds/3489) and take a look at the build logs.
4. Check if the failure is related to this commit (922a6cf) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/464/builds/3489

Failed tests:

• test_posix

Failed subtests:

• test_setpgroup - test.test_posix.TestPosixSpawnP.test_setpgroup
• test_setpgroup - test.test_posix.TestPosixSpawn.test_setpgroup

Summary of the results of the build (if available):

== Tests result: FAILURE then FAILURE ==

411 tests OK.

1 test failed:
test_posix

18 tests skipped:
test_asdl_parser test_check_c_globals test_clinic test_dbm_ndbm
test_devpoll test_gdb test_ioctl test_kqueue test_launcher
test_msilib test_peg_generator test_perf_profiler test_startfile
test_winconsoleio test_winreg test_winsound test_wmi
test_zipfile64

1 re-run test:
test_posix

Total duration: 53 min 17 sec

Traceback (most recent call last):
  File "/buildbot/buildarea/cpython/3.x.ware-gentoo-x86.installed/build/target/lib/python3.12/test/test_posix.py", line 1654, in test_setpgroup
    setpgroup=os.getpgrp()
              ^^^^^^^^^^
AttributeError: module 'os' has no attribute 'getpgrp'. Did you mean: 'setpgrp'?