[ENH]: Set context_func in joblib-hotcondor

[synchon]

This PR allows setting of context_func in joblib-htcondor (HTCondor Joblib backend).

[codecov]

Codecov Report

❌ Patch coverage is 18.91892% with 30 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.02%. Comparing base (ff341ff) to head (5dd1f99).

Files with missing lines	Patch %	Lines
julearn/config.py	3.70%	26 Missing ⚠️
julearn/api.py	60.00%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #303      +/-   ##
==========================================
- Coverage   89.94%   89.02%   -0.92%     
==========================================
  Files          58       58              
  Lines        2825     2862      +37     
  Branches      498      507       +9     
==========================================
+ Hits         2541     2548       +7     
- Misses        182      211      +29     
- Partials      102      103       +1     

Flag	Coverage Δ
julearn	89.02% <18.91%> (-0.92%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
julearn/api.py	87.30% <60.00%> (-1.47%)	⬇️
julearn/config.py	43.47% <3.70%> (-56.53%)	⬇️

🚀 New features to boost your workflow:

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

[github-actions]

PR Preview Action v1.8.1
🚀 View preview at https://juaml.github.io/julearn/pr-preview/pr-303/
Built to branch gh-pages at 2026-03-31 12:35 UTC. Preview will be ready when the GitHub Pages deployment is complete.

[fraimondo]

This will also solve juaml/joblib-htcondor#4

In short, it is impossible for joblib-htcondor to re-set all the loggers. What we can do, from julearn, is to make the context function re-set the julearn config, including the logger.