Merge pull request #152 from rust-embedded/fix-aarch64-darwin

add target on toolchain install

Author: burrbull

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Setup Rust
         shell: bash
         run: |
-          rustup toolchain install stable --profile minimal
+          rustup toolchain install stable --profile minimal --target ${{ matrix.target }}
           rustup default stable
           echo "::add-matcher::.github/workflows/rust.json"
       - name: Cache Dependencies