[clang-tools-extra] [clang-tidy] modernize-avoid-bind only return for non-void function (PR #69207)

[Piotr Zegar via cfe-commits]

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@@ -122,6 +122,8 @@ Improvements to clang-tidy
   if any :program:`clang-tidy` subprocess exits with a non-zero code or if
   exporting fixes fails.
 
+- Do not emit a `return` for fixes of `modernize-avoid-bind` when the function returns void.
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PiotrZSL wrote:

wrong place, put it under "Changes in existing checks", follow exist format

https://github.com/llvm/llvm-project/pull/69207