[llvm] [clang-tools-extra] [clang] Add clang-tidy check to suggest replacement of conditional statement with std::min/std::max (PR #77816)

[Bhuminjay Soni via cfe-commits]

11happy wrote:

```
 if (isa<clang::ImplicitCastExpr>(S) && !found) {
      const auto CastKind = cast<clang::ImplicitCastExpr>(S)->getCastKind();
      if (isImplicitCastType(CastKind)) {
        found = true;
        const clang::ImplicitCastExpr *ImplicitCast =
            cast<clang::ImplicitCastExpr>(S);
        GlobalImplicitCastType = ImplicitCast->getType();
        // Stop visiting children.
        return false;
      }
    }
  ```
  these two Ifs can be clubbed into single one , as suggested insome previous style suggestions, but I have kept them to ensure better readability. should I club them?

https://github.com/llvm/llvm-project/pull/77816