add es2023 ast types definitions

here are the new changes in ES2023 https://dev.to/jasmin/what-is-new-in-es2023-4bcm

i noticed its missing [here](https://github.com/benjamn/ast-types/tree/master/src/def)

Start by reviewing the linked ES2023 changes and the existing definitions under src/def. Compare the missing ES2023 AST types with the repository's current definitions, then confirm that all required types are represented and covered by the project's existing validation or tests.

Written by the indexing model from the issue text.