[clang-tools-extra] [clang-tidy][C++20] Add support for Initialization Forwarding in Nested Object Construction (PR #131969)

[David Rivera via cfe-commits]

RiverDave wrote:

Removed **Aggregates** from both title and release notes considering my changes can potentially affect non aggregate structs types as well.

https://github.com/llvm/llvm-project/pull/131969