[clang] Retrieve BinaryOperator::getOpcode and BinaryOperator::getOpcodeStr via libclang and its python interface (PR #98489)

[Vlad Serebrennikov via cfe-commits]

https://github.com/Endilll commented:

Python part seems fine to me, but I'd like @DeinAlptraum to confirm that.

https://github.com/llvm/llvm-project/pull/98489