feat: Allow Pydantic V2+

[kdcokenny]

For this, I followed this Pydantic Migration Guide and it showed me a quick and easy way to temporarily (though probably not best practice) to allow me and others to use pydantic 2+ with semantic router.

It passes all tests so I assume it would work well while we wait for a more official pydantic v2 migration.

Lmk what you all think.

[kdcokenny]

This wouldn't necessarily close #77 but is related to it.

Also, for some reason the pytests passed but it couldn't upload it to codecov (which caused the check to fail). I've never used that service so I have no idea how to fix that, but keep that in mind.

[simjak]

Thanks @kdcokenny we will take a look at both pydantic compatibility with v1 and v2, and codecov issue

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (2fa3eb3) 91.25% compared to head (bc195ad) 91.25%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #109   +/-   ##
=======================================
  Coverage   91.25%   91.25%           
=======================================
  Files          25       25           
  Lines        1086     1086           
=======================================
  Hits          991      991           
  Misses         95       95           

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[jamescalam]

@kdcokenny thanks for another pr! Tests seem to be passing, but I'm seeing ValidationError when trying to run myself

[jamescalam]

noted above

edit: testing further, may be an issue with my env, will update soon

[jamescalam]

@kdcokenny I triple checked — all looks great, thanks for the awesome PR!