Replace the Go compute runtime with Rust, with run-CRD suspend and resume

Supervisor: with the Runner CRD backend on the microvm runtime, suspends
are requested on the Runner and completed from its status, a completed
suspend is still delivered after a supervisor restart, and a restored
run is placed on the node that holds its snapshot. A restore whose
Runner has already ended is reported as failed.
Mono-RevId: 2707a91994f6ab5fb2f7f9d25e575eb21ff78a41