fix PEP 702 link in the README.md (#108)

Author: junkmd

README.md

@@ -38,7 +38,7 @@ This module currently contains the following:
   - `override` (see [PEP 698](https://peps.python.org/pep-0698/))
   - The `default=` argument to `TypeVar`, `ParamSpec`, and `TypeVarTuple` (see [PEP 696](https://peps.python.org/pep-0696/))
   - The `infer_variance=` argument to `TypeVar` (see [PEP 695](https://peps.python.org/pep-0695/))
-  - The `@deprecated` decorator (see [PEP 702](https://peps.python.org/pep-0698/))
+  - The `@deprecated` decorator (see [PEP 702](https://peps.python.org/pep-0702/))
 
 - In `typing` since Python 3.11