[clang-tools-extra] [clang-tidy] add modernize-use-constexpr check (PR #146553)

[Julian Schmidt via cfe-commits]

5chmidti wrote:

> > Then I will split it up into {[11],[14, 17],[20],[23, 26]}
> 
> BTW does this support C23?  That would be nice to have too.

I totally forgot to add that :) I'll take a look at the rules for it, but might only add it later

https://github.com/llvm/llvm-project/pull/146553