[clang] [Clang][Parser] Have the depth of the abbreviated generic lambdas inside a requires clause differ from the surrounding generic lambda (PR #80656)

[via cfe-commits]

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@@ -193,6 +193,10 @@ Bug Fixes to C++ Support
 - Fixed an out-of-bounds error caused by building a recovery expression for ill-formed
   function calls while substituting into constraints.
   (`#58548 <https://github.com/llvm/llvm-project/issues/58548>`_)
+- Fixed an issue where template parameters of the nested abbreviated generic lambda within
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cor3ntin wrote:

```suggestion
- Fixed an issue where template parameters of a nested abbreviated generic lambda within
```

https://github.com/llvm/llvm-project/pull/80656