[clang-tools-extra] [clang-tidy] Add user-defined functions to `bugprone-unsafe-functions` check (PR #106350)

[via cfe-commits]

================
@@ -104,6 +104,10 @@ New check aliases
 Changes in existing checks
 ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+- Improved :doc:`bugprone-unsafe-functions
+  <clang-tidy/checks/bugprone/unsafe-functions>` check to allow specifying
+  custom matched functions as well.
----------------
whisperity wrote:

```suggestion
  <clang-tidy/checks/bugprone/unsafe-functions>` check to allow specifying
  additional functions to match.
```

https://github.com/llvm/llvm-project/pull/106350