Fix and refactor CI

[omus]

The only actual fix here was switching julia --project=docs --color -e ... to julia --project=docs --color=yes -e. The remainder of the change are just consistency changes.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.41%. Comparing base (8f91b88) to head (1647961).

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #54   +/-   ##
=======================================
  Coverage   97.41%   97.41%           
=======================================
  Files           6        6           
  Lines         232      232           
=======================================
  Hits          226      226           
  Misses          6        6           

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[omus]

Looks like I just need to fix the CompatHelper workflow

[oxinabox]

this whole section can be deleted, noone checks that slack channel anymore

[omus]

I'll not use julia-version here as I recall now it doesn't play nice with include/exclude at the moment

[omus]

CI changes are working beyond the package problems on Julia 1.12