Ignore broken pydantic version 2.4.0

[koxudaxi]

Changed to exclude pydantic 2.4.0 from dependencies because it has bugs

Release:

• https://github.com/pydantic/pydantic/releases/tag/v2.4.1

PR:

• Remove schema building caches pydantic/pydantic#7624
  Issue:
• Recurse KeyError when using several BaseModels  pydantic/pydantic#7611

Related Issues

#1570
#1571

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (e9b6edf) 100.00% compared to head (f0fda55) 100.00%.
Report is 725 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##            master     #1593     +/-   ##
===========================================
  Coverage   100.00%   100.00%             
===========================================
  Files           11        34     +23     
  Lines         1020      3727   +2707     
  Branches       201       873    +672     
===========================================
+ Hits          1020      3727   +2707     

Flag	Coverage Δ
unittests	99.65% <99.60%> (?)

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

Files	Coverage Δ
datamodel_code_generator/__init__.py	100.00% <100.00%> (ø)
datamodel_code_generator/__main__.py	100.00% <100.00%> (ø)
datamodel_code_generator/arguments.py	100.00% <100.00%> (ø)
datamodel_code_generator/format.py	100.00% <100.00%> (ø)
datamodel_code_generator/http.py	100.00% <100.00%> (ø)
datamodel_code_generator/imports.py	100.00% <100.00%> (ø)
datamodel_code_generator/model/__init__.py	100.00% <100.00%> (ø)
datamodel_code_generator/model/base.py	100.00% <100.00%> (ø)
datamodel_code_generator/model/dataclass.py	100.00% <100.00%> (ø)
datamodel_code_generator/model/enum.py	100.00% <100.00%> (ø)
... and 24 more

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