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

[Thomas Schenker via cfe-commits]

schenker wrote:

I got some fixits that do not compile, e.g.:
```
std::erase_if(numbers, [](int n) {
return n % 2 == 0;
});
```
is changed into
```
std::erase_if(numbers, [](int nconstexpr ) {
return n % 2 == 0;
});
```

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