[lldb] [llvm] [CI][lldb] Add a github workflow that runs pylint on LLDB API test changes (PR #182003)

[Aiden Grossman via llvm-commits]

https://github.com/boomanaiden154 commented:

Is pylint currently clean over all the python files in `lldb/test/API`? This isn't like `git clang-format` where we only look for issues in changed lines, so if we're not already clean, I'd be a bit hesitant to land this due to pre-existing issues showing up on people's PRs.

https://github.com/llvm/llvm-project/pull/182003