[clang-tools-extra] [clang-tidy] Add readability-use-span-first-last check (PR #118074)

[Helmut Januschka via cfe-commits]

https://github.com/hjanuschka commented:

@5chmidti removed the recursive visitor and refactored it, hope this is correct now, added the test cases, you mentioned, and you where right in the complex version they failed, work now!

https://github.com/llvm/llvm-project/pull/118074