[llvm] [mlgo] bazel rules for mlgo-utils (PR #79217)

[Aiden Grossman via llvm-commits]

https://github.com/boomanaiden154 approved this pull request.

LGTM. If we ever need to support use as a library in the future, it should be easy to refactor. Not sure `py_library` is a good fit right now just for this use case, not really familiar with the canonical way to do things in bazel however.

https://github.com/llvm/llvm-project/pull/79217