Restore build for macOS arm

Author: jasonforal

.github/workflows/release.yml

@@ -32,6 +32,7 @@ jobs:
         include:
           - { target: aarch64-unknown-linux-gnu, os: ubuntu-latest, image: 'ubuntu:20.04' }
           - { target: x86_64-unknown-linux-gnu,  os: ubuntu-latest, image: 'ubuntu:20.04' }
+          - { target: aarch64-apple-darwin,      os: macos-latest }
     name: Build binaries for ${{ matrix.target }}
     runs-on: ${{ matrix.os }}
     container: