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

[via cfe-commits]

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@@ -1002,6 +1002,7 @@ PRAGMA_ANNOTATION(pragma_riscv)
 ANNOTATION(module_include)
 ANNOTATION(module_begin)
 ANNOTATION(module_end)
+ANNOTATION(module_name)
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cor3ntin wrote:

```suggestion

// Annotations for c++ named modules
ANNOTATION(module_name)
```

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