chore: Run multitarget build in script/bundle (#3241)
Piotr Osiewicz
created
Ignore this PR for now.
This has a chance to speed up a build in case where e.g. we're
single-threaded in aarch64 build; at that point the x86_64 codegen can
take place. Also, MIR can probably be shared between the two
architectures, further reducing build time.
Release Notes:
- N/A