[clang-tools-extra] Add check 'cppcoreguidelines-use-enum-class' (PR #138282)

[Philipp Jung via cfe-commits]

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@@ -130,6 +130,11 @@ New checks
   Finds unintended character output from ``unsigned char`` and ``signed char``
   to an ``ostream``.
 
+- New :doc:`cppcoreguidelines-use-enum-class
+  <clang-tidy/checks/cppcoreguidelines/use-enum-class>` check.
+
+  Finds plain non-class ``enum`` definitions that could use ``enum class``.
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JungPhilipp wrote:

Missed that. Thank you.

https://github.com/llvm/llvm-project/pull/138282