[clang-tools-extra] [clang-tidy] Rename google-build-namespaces to misc-anonymous-namespace-in-header (PR #173484)

[via cfe-commits]

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@@ -5,10 +5,10 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
-
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zeyi2 wrote:

Seems unrelated? I think `clang-format` will lint this. 

https://github.com/llvm/llvm-project/pull/173484