Bundle kubectl binary in the wheel file about aml

[lukemarsden]

https://github.com/pyros2097/rust-embed is probably a viable approach here, rather than trying to bundle it in setuptools but then having to have the rust code figure out the path to the python module at runtime.

[lukemarsden]

-rwxr-xr-x 1 azureuser azureuser 421M Jun 30 15:11 rslex.cpython-36m-x86_64-linux-gnu.so
-rwxr-xr-x 1 azureuser azureuser 395M Jul  5 10:02 rslex.cpython-38-x86_64-linux-gnu.so

-rwxr-xr-x 1 root root 45M Jul  1 10:33 /usr/local/bin/kubectl

will only make the resulting binary 10-15% bigger