[clang-tools-extra] [clangd] don't lower severity of clang-tidy modernize-* checks to remarks (PR #75706)

[Nathan Ridge via cfe-commits]

HighCommander4 wrote:

> You mentioned `inconsistencies`, is it inside clangd or in other places that surface clang-tidy findings?

I understood it as, the appearance of `modernize-*` clang-tidy diagnostics in the editor is not consistent with the appearance of other (non-`modernize-*`) clang-tidy diagnostics.

(I don't have a strong opinion on this change, just providing clarification.)

https://github.com/llvm/llvm-project/pull/75706