fix: Deactivate Pydantic logic if v1 is installed instead of v2

Issue-240: #240

Author: pawamoy

src/mkdocstrings_handlers/python/config.py

@@ -25,6 +25,11 @@
     # "yaml.schemas": {
     #     "https://squidfunk.github.io/mkdocs-material/schema.json": "mkdocs.yml"
     # }
+    import pydantic
+
+    if getattr(pydantic, "__version__", "1.").startswith("1."):
+        raise ImportError  # noqa: TRY301
+
     from inspect import cleandoc
 
     from pydantic import Field as BaseField