Disable `py-clone` feature for PyO3

[IvanIsCoding]

The py-clone feature is going to be deprecated in the PyO3 0.23 release. Unfortunately, we use it extensively.

Some errors have detailed explanations: E0271, E0277, E0308, E0507, E0596, E0599.
For more information about an error, try `rustc --explain E0271`.
warning: `rustworkx` (lib) generated 1 warning
error: could not compile `rustworkx` (lib) due to 55 previous errors; 1 warning emitted

We need to fix at least 55 compiling errors before fully disabling the feature. PRs with partial migrations also help, it doesn't need to be submitted all at once.