[clang-tools-extra] [clang-tidy] Add readability-use-rethrow check (PR #190580)

[Victor Chernyakin via cfe-commits]

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@@ -0,0 +1,56 @@
+// RUN: %check_clang_tidy %s readability-use-rethrow %t
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localspook wrote:

We're not very good about testing checks in C++98, but it looks like it should be pretty easy to do here?
```suggestion
// RUN: %check_clang_tidy -std=c++98-or-later %s readability-use-rethrow %t
```

https://github.com/llvm/llvm-project/pull/190580