[llvm] Add llvm-binary-utilities to .github/CODEOWNERS (PR #65545)

[Fangrui Song via llvm-commits]

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@@ -617,3 +617,33 @@ utils/bazel/llvm-project-overlay/libc/** @llvm/pr-subscribers-libc
 /clang/test/CodeGen/WebAssembly/ @llvm/pr-subscribers-webassembly
 /clang/test/Sema/*wasm* @llvm/pr-subscribers-webassembly
 /clang/test/SemaCXX/*wasm* @llvm/pr-subscribers-webassembly
+
+# llvm-binary-utilities
+/llvm/docs/CommandGuide/llvm-* @llvm/pr-subscribers-llvm-binary-utilities
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MaskRay wrote:

I know, but I got a warning when the team is actually present:)

https://github.com/llvm/llvm-project/pull/65545