CI: fix the tests worfklow

[maximlt]

It's really annoying but Python itself gets updated in doit develop_install, despite the channels being correctly constrained, leading to this bug we already encountered a few times now:

2022-10-28T17:04:57.6857340Z The following packages will be DOWNGRADED:
2022-10-28T17:04:57.6857490Z 
2022-10-28T17:04:57.6857770Z   cryptography                        38.0.2-py37hbf3704f_1 --> 38.0.2-py37h1818b49_1 None
2022-10-28T17:04:57.6858210Z   libarchive                               3.5.2-hbf7dfe4_3 --> 3.5.2-hde4784d_3 None
2022-10-28T17:04:57.6858630Z   openssl                                  3.0.5-hfd90126_2 --> 1.1.1q-hfd90126_1 None
2022-10-28T17:04:57.6859050Z   python                        3.7.12-hf3644f1_100_cpython --> 3.7.12-haf480d7_100_cpython None
2022-10-28T17:04:57.6859470Z   sigtool                                  0.1.3-h88f4db0_0 --> 0.1.3-h57ddcff_0 None

[maximlt]

I'll try a hack we found last year in #5082.

[codecov-commenter]

Codecov Report

Merging #5498 (9a85982) into master (a2d003b) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #5498   +/-   ##
=======================================
  Coverage   88.09%   88.09%           
=======================================
  Files         302      302           
  Lines       62269    62269           
=======================================
  Hits        54858    54858           
  Misses       7411     7411           

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[jlstevens]

Yay, macos tests are finally green again!

It's really annoying but Python itself gets updated in doit develop_install ...

I agree, wouldn't really expect that command to change python itself...

Ready to merge?

[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.