Meet unsupported paltform

[DaviRain-Su]

thread 'main' panicked at 'unsupported platform', /Users/davirain/.cargo/registry/src/github.com-1ecc6299db9ec823/cargo-flutter-0.1.12/src/engine.rs:53:18
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace

computer: apple M1