Docs: Fix broken URL in the pydantic-settings package recommendation (p…

…ydantic#6995)

Co-authored-by: Hasan Ramezani <[email protected]>

pydantic/_migration.py

@@ -288,7 +288,7 @@ def wrapper(name: str) -> object:
         if import_path == 'pydantic:BaseSettings':
             raise PydanticImportError(
                 '`BaseSettings` has been moved to the `pydantic-settings` package. '
-                f'See https://docs.pydantic.dev/{VERSION}/migration/#basesettings-has-moved-to-pydantic-settings '
+                f'See https://docs.pydantic.dev/{".".join(VERSION.split(".")[:2])}/migration/#basesettings-has-moved-to-pydantic-settings '
                 'for more details.'
             )
         if import_path in REMOVED_IN_V2: