[clang-tools-extra] clang-tidy: readability-redundant-smartptr-get does not remove -> (#97964) (PR #98757)

[Piotr Zegar via cfe-commits]

PiotrZSL wrote:

> can you tell me where to add test case and release notes entry

Tests:
clang-tools-extra/test/clang-tidy/checkers/readability/redundant-smartptr-get.cpp

Release notes:
clang-tools-extra/docs/ReleaseNotes.rst

https://github.com/llvm/llvm-project/pull/98757