feat: Update the Pydantic from v1 to v2 by shuchu · Pull Request #3948 · feast-dev/feast

shuchu

What this PR does / why we need it:
Based on the requirements from the Feast users, we want to upgrade the Pydantic version to v2 (2.6) for the performance of Feast.

Here are a few important package version changes:
pydantic >= 2.0.0
great_expectations>=0.15.41 (the upper bound is removed. Its required by the pydantic v2.)

More details can refer to the previous PR: #3942

Which issue(s) this PR fixes:
Fixes #3778