Added custom Unpickler with universal compatible Job class

[LuiggiTenorioK]

Preparation PR to be able to update the dependency of Autosubmit in a free way

[codecov-commenter]

Codecov Report

❌ Patch coverage is 96.55172% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 80.47%. Comparing base (f9bada3) to head (2b2761f).
⚠️ Report is 44 commits behind head on main.

Files with missing lines	Patch %	Lines
autosubmit_api/persistance/pkl_reader.py	96.55%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #231      +/-   ##
==========================================
+ Coverage   80.41%   80.47%   +0.06%     
==========================================
  Files          98       98              
  Lines        8235     8262      +27     
==========================================
+ Hits         6622     6649      +27     
  Misses       1613     1613              

Flag	Coverage Δ
fast-tests	80.47% <96.55%> (+0.06%)	⬆️

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