build(rust-toolchain): revise target set
GNU target is never used, the aarch64 musl is, however
[toolchain]
channel = "nightly-2022-09-15"
-targets = ["x86_64-unknown-linux-gnu", "x86_64-unknown-linux-musl", "x86_64-unknown-none", "wasm32-wasi"]
+targets = [
+ "aarch64-apple-darwin",
+ "aarch64-unknown-linux-musl",
+ "wasm32-wasi",
+ "x86_64-apple-darwin",
+ "x86_64-unknown-linux-musl",
+ "x86_64-unknown-none"
+]
profile = "minimal"
components = ["rustfmt", "clippy", "miri", "rust-src"]
