[inductor] Enable Mypy Checking for torch/_inductor/codegen/triton_utils.py (#108951)
Summary: Used monkeytype to generate the typehints and enabled mypy checking
Test Plan: `lintrunner torch/_inductor/codegen/*.py`
Pull Request resolved: https://github.com/pytorch/pytorch/pull/108951
Approved by: https://github.com/Skylion007
