[clang] [clang-tools-extra] [clang] Fix CXXNewExpr end source location for 'new struct S' (PR #92266)

[Arseniy Zaostrovnykh via cfe-commits]

necto wrote:

> `clang-tidy/checkers/modernize/make-unique.cpp` is failing for whatever reason. Otherwise LGTM.

Indeed, turns out this PR fixes #35300 

https://github.com/llvm/llvm-project/pull/92266