Presenting PEP 692: Using TypedDict for more precise **kwargs typing

PEP 692 is posted. It proposes to use TypedDict for more precise **kwargs typing, so that **kwargs consisting of arguments of different types can be appropriately typed. It also proposes a grammar change and a new dunder.

Here is a link to the PEP: https://peps.python.org/pep-0692/
And a link to the discuss thread: https://discuss.python.org/t/pep-692-using-typeddict-for-more-precise-kwargs-typing/17314