[clang] [Clang] Implement P3034R1 Module Declarations Shouldn’t be Macros (PR #90574)

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yronglin wrote:

@cor3ntin @AaronBallman Thanks for the suggestions, and sorry for the slow action. I've added an `annot_module_name` token in the latest update, WDYT?

https://github.com/llvm/llvm-project/pull/90574