v2022.2.0
- Add Ubuntu 22.04, remove Ubuntu 18.04
- Add LLVM 14.0.6, refresh LLVM 12.0.1
- Add Halide 14.0.0, refresh Halide 12.0.1
- Add initial Rust 1.64 distribution (x86_64)
- Refresh cctools Linux distribution (lipo)
- Add Darling distribution (experimental)