[clang-tools-extra] [clang-tidy]bugprone-unused-return-value ignore `++` and `--` operator overloading (PR #84922)

[Piotr Zegar via cfe-commits]

https://github.com/PiotrZSL commented:

Few more tests would be also nice, with free standing operators.

https://github.com/llvm/llvm-project/pull/84922