[clang-tools-extra] [clang-tidy] `modernize-use-trailing-return-type`: add an option to apply to `void`-returning functions as well (PR #129406)

[via cfe-commits]

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@@ -156,6 +156,11 @@ Changes in existing checks
 - Improved :doc:`misc-header-include-cycle
   <clang-tidy/checks/misc/header-include-cycle>` check performance.
 
+- Improved :doc:`modernize-use-trailing-return-type
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EugeneZelenko wrote:

Please keep alphabetical order (by check name) in this list.

https://github.com/llvm/llvm-project/pull/129406