Log Message:
py-pydantic-core: update to 2.26.0.

Fixes

    Revert changes to url schemas that support cls, the 2x validation isn't \ 
worth it (and is breaking) by @sydney-runkle in #1514
    Fix when coerce_numbers_to_str enabled and string has invalid unicode \ 
character by @andrey-berenda in #1515
    Fix serializing complex values in enums by @changhc in #1524

Packaging

    Bump serde from 1.0.213 to 1.0.214 by @dependabot in #1519
    Bump regex from 1.11.0 to 1.11.1 by @dependabot in #1520
    Bump jiter from 0.6.1 to 0.7.0 by @dependabot in #1521
    bump speedate to 0.15 by @davidhewitt in #1526

New Features

    Add allow_partial by @samuelcolvin in #1512