* Migrate to bzlmod
* Update Python version to PY3, as indicated by the actual source file.
* Migrate more libraries & first draft of direct pywheel rule usage in Bazel
* Integrate with nanobind and libpfm
* Make Python toolchain a dev dependency
* Undo py_wheel usage until later
* Added support for bzlmod for C++ parts of google_benchmark.
* Make //tools:all buildable with --enable_bzlmod
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Co-authored-by: Andy Christiansen <achristiansen@google.com>
Andy Christiansen