[clang-tools-extra] [clang-tidy] Support LineFilter in .clang-tidy configuration files (PR #202575)

[Baranov Victor via cfe-commits]

vbvictor wrote:

Could you please explain how it solves [this](https://github.com/llvm/llvm-project/issues/59263#issuecomment-1334260442) concern:

> Moving the flag from the command line to the config likely wouldn't have any effect on clangd as it doesn't handle the options file the same way tidy does natively.

I didn't dig in this for myself now, but I suppose you've taken it into account when working on this issue.

https://github.com/llvm/llvm-project/pull/202575