[clang-tools-extra] [clang-tidy] Update llvmlibc-implementation-in-namespace to new rules (PR #66504)

[Piotr Zegar via cfe-commits]

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@@ -300,6 +300,11 @@ Changes in existing checks
   <clang-tidy/checks/readability/static-accessed-through-instance>` check to
   identify calls to static member functions with out-of-class inline definitions.
 
+- Updated :doc:`llvmlibc-implementation-in-namespace
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PiotrZSL wrote:

Put changes in alphabetical order.  use 'Improved' instead of 'Updated' (only because it would look nice).

https://github.com/llvm/llvm-project/pull/66504