support pydantic v2

[cosmicBboy]

Fixes #1250, #1245

[codecov]

Codecov Report

Patch coverage: 96.00% and project coverage change: +0.10% 🎉

Comparison is base (eda9a2e) 93.82% compared to head (f6512f4) 93.92%.
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1253      +/-   ##
==========================================
+ Coverage   93.82%   93.92%   +0.10%     
==========================================
  Files          90       91       +1     
  Lines        6704     6766      +62     
==========================================
+ Hits         6290     6355      +65     
+ Misses        414      411       -3     

Files Changed	Coverage Δ
pandera/api/pyspark/model.py	72.07% <ø> (-0.32%)	⬇️
pandera/api/pandas/model.py	93.01% <87.50%> (+0.50%)	⬆️
pandera/typing/fastapi.py	91.48% <94.28%> (+8.73%)	⬆️
pandera/api/pandas/array.py	100.00% <100.00%> (ø)
pandera/api/pandas/container.py	99.30% <100.00%> (+0.01%)	⬆️
pandera/config.py	100.00% <100.00%> (ø)
pandera/engines/__init__.py	100.00% <100.00%> (ø)
pandera/engines/engine.py	97.27% <100.00%> (-0.91%)	⬇️
pandera/engines/pandas_engine.py	95.33% <100.00%> (-0.12%)	⬇️
pandera/engines/utils.py	100.00% <100.00%> (ø)
... and 1 more

... and 8 files with indirect coverage changes

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[Samreay]

There were some good bugfixes in pydnatic 2.1.0 (https://docs.pydantic.dev/latest/changelog/#v210-2023-07-25), should we bump this to the latest release (2.1.1) to incorporate that?

[niraveen]

@Samreay Is there a time frame for the release of Pandera with Pydantic V2 support?

[cosmicBboy]

@niraveen aiming for a release in first week of October