[clang-tools-extra] [clang-tidy] detect arithmetic operations within member list initialization in modernize-use-default-member-init check (PR #129370)

[Baranov Victor via cfe-commits]

https://github.com/vbvictor approved this pull request.

LGTM, but please address a nit

https://github.com/llvm/llvm-project/pull/129370