[clang] [clang-tools-extra] [clang] NFCI: use TemplateArgumentLoc for NTTP DefaultArgument (PR #92852)

[Chuanqi Xu via cfe-commits]

https://github.com/ChuanqiXu9 commented:

Can you try to explain the what the patch does more and describe the rationale?

https://github.com/llvm/llvm-project/pull/92852