ci: install aarch64-apple-darwin toolchain

Author: tsirysndr

.github/workflows/release-for-mac.yml

@@ -18,10 +18,10 @@ jobs:
     steps:
       - uses: actions/checkout@master
       - uses: Swatinem/rust-cache@v2
+      - uses: actions-rs/cargo@v1
       - name: Installing needed dependencies
         run: brew install protobuf
       - name: Install aarch64-apple-darwin toolchain
-        uses: actions-rs/cargo@v1
         if: matrix.target == 'aarch64-apple-darwin'
         run: rustup target add aarch64-apple-darwin
       - name: Running cargo build