Add pydantic 2 compatybility

[Czaki]

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[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (66a8dab) 98.80% compared to head (8df9ea8) 97.64%.

❗ Current head 8df9ea8 differs from pull request most recent head f5703b0. Consider uploading reports for the commit f5703b0 to get more accurate results

Files	Patch %	Lines
src/local_migrator/_serialize_hooks.py	50.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #26      +/-   ##
==========================================
- Coverage   98.80%   97.64%   -1.16%     
==========================================
  Files           4        4              
  Lines         250      255       +5     
==========================================
+ Hits          247      249       +2     
- Misses          3        6       +3     

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