[clang] [llvm] [clang-format]: Add `Custom` to `ShortFunctionStyle`; add new AllowShortFunctionsOnASingleLineOptions for granular setup (PR #134337)

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@@ -73,3 +73,4 @@ pythonenv*
 /clang/utils/analyzer/projects/*/RefScanBuildResults
 # automodapi puts generated documentation files here.
 /lldb/docs/python_api/
+clang-build/
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irymarchyk wrote:

Sorry, pushed by mistake; removed

https://github.com/llvm/llvm-project/pull/134337