chore: fixed readme: pypi version tied to wrong pypi package.

Author: joshorr

README.md

@@ -12,7 +12,7 @@
 An easy way to add or create partials for Pydantic models.
 
 ![PythonSupport](https://img.shields.io/static/v1?label=python&message=%203.10|%203.11|%203.12&color=blue?style=flat-square&logo=python)
-![PyPI version](https://badge.fury.io/py/xmodel.svg?)
+![PyPI version](https://badge.fury.io/py/pydantic_partials.svg?)
 
 ## Documentation