[clang-tools-extra] [clang-tidy] Add new alias 'bugprone-unchecked-string-to-number-conversion' for 'cert-err34-c' (PR #157285)

[via cfe-commits]

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+.. title:: clang-tidy - bugprone-unchecked-string-to-number-conversion
+
+bugprone-unchecked-string-to-number-conversion
+=========================================
----------------
EugeneZelenko wrote:

```suggestion
bugprone-unchecked-string-to-number-conversion
==============================================
```

https://github.com/llvm/llvm-project/pull/157285