[clang-tools-extra] [clang-tidy] Fix `performance-noexcept-move-constructor` for implicit `noexcept(false)` (PR #226488)

[via cfe-commits]

================
@@ -249,6 +249,10 @@ infrastructure are described first, followed by tool-specific sections.
   <clang-tidy/checks/modernize/use-nullptr>` to turn `decltype(nullptr)` into
   `std::nullptr_t` from `<cstdef>`.
 
+- Improved {doc}`noexcept-move-constructors
----------------
EugeneZelenko wrote:

```suggestion
- Improved {doc}`performance-noexcept-move-constructors
```

https://github.com/llvm/llvm-project/pull/226488