[clang-tools-extra] [clang-tidy] Skip overloaded functions in modernize-use-string-view (PR #183921)

[Baranov Victor via cfe-commits]

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@@ -365,6 +365,13 @@ std::string lambda() {
   }();
 }
 
+namespace overloads {
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vbvictor wrote:

Please add tests with overloads in different namespaces. e.g. `std::string ns::foo()` and `std::string foo()`

https://github.com/llvm/llvm-project/pull/183921