feat: update pydantic

aiohttp_pydantic/injectors.py

@@ -85,7 +85,7 @@ class BodyGetter(AbstractInjector):
         # to a dict. Prevent this by requiring the body to be a dict for object models.
         if self._expect_object and not isinstance(body, dict):
             raise HTTPBadRequest(
-                text='[{"in": "body", "loc": ["__root__"], "msg": "value is not a '
+                text='[{"loc_in": "body", "loc": ["root"], "msg": "value is not a '
                 'valid dict", "type": "type_error.dict"}]',
                 content_type="application/json",
             ) from None