[Feature Request] Colorize type string in cast calls

[Azureblade3808]

Environment data

Language Server version: Pylance 2021.3.2
OS and version: Windows 7
Python version (& distribution if applicable, e.g. Anaconda): 3.8.5 (Anaconda)

Sample code

from typing import cast

l = cast("list[int]", [])

Expected behavior

String "list[int]" in the cast call is colorized as a type.

Current behavior

String "list[int]" in the cast call is colorized as a plain string.

[judej]

Moving this issue to discussion as an enhancement request for comments and upvotes.