[clang-tools-extra] [clang-tidy] Fix typoed option name in `bugprone-signed-char-misuse` (PR #161064)

[Baranov Victor via cfe-commits]

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@@ -58,8 +58,11 @@ Potentially Breaking Changes
   :doc:`bugprone-easily-swappable-parameters
   <clang-tidy/checks/bugprone/easily-swappable-parameters>` from
   ``NamePrefixSuffixSilenceDissimilarityTreshold`` to
-  ``NamePrefixSuffixSilenceDissimilarityThreshold``,
-  correcting a spelling mistake.
+  ``NamePrefixSuffixSilenceDissimilarityThreshold`` and of check
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vbvictor wrote:

I'd make two separate entries for renaming.
One big text harder to read and understand than N smaller ones.

https://github.com/llvm/llvm-project/pull/161064