A GitHub Actions workflow step to make the iOS 13.7 simulator available to Xcode 12.

symlink-ios13.7-simulator.yaml

- name: Link to 13.7 Simulators
  run: |
    echo "Creating Runtimes folder if needed..."
    sudo mkdir -p /Library/Developer/CoreSimulator/Profiles/Runtimes
    echo "Creating symlink of the iOS 13.7 runtime..."
    sudo ln -s /Applications/Xcode_11.7.app/Contents/Developer/Platforms/iPhoneOS.platform/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS.simruntime /Library/Developer/CoreSimulator/Profiles/Runtimes/iOS\ 13.7.simruntime