fix: Fix broken link in the docs (Pydantic Models - Data Binding) (#5074

)

* Broken Link fixed

* Wrong link: Fixed. Refers to the latest stable version now

* Update docs/usage/models.md

Co-authored-by: Hasan Ramezani <hasan.r67@gmail.com>

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Co-authored-by: Hasan Ramezani <hasan.r67@gmail.com>

docs/usage/models.md

@@ -155,7 +155,7 @@ Here a vanilla class is used to demonstrate the principle, but any ORM class cou
 ### Data binding
 
 Arbitrary classes are processed by *pydantic* using the `GetterDict` class (see
-[utils.py](https://github.com/pydantic/pydantic/blob/main/pydantic/utils.py)), which attempts to
+[utils.py](https://github.com/pydantic/pydantic/blob/1.10.X-fixes/pydantic/utils.py)), which attempts to
 provide a dictionary-like interface to any class. You can customise how this works by setting your own
 sub-class of `GetterDict` as the value of `Config.getter_dict` (see [config](model_config.md)).