[clang-tools-extra] [clang-tidy] Add QtEnabled option to modernize-use-integer-sign-comprison (PR #122127)

[Congcong Cai via cfe-commits]

https://github.com/HerrCai0907 commented:

lgtm. please update the pr title and description before merging. because the option name is changed.

https://github.com/llvm/llvm-project/pull/122127