- name: my-app-install token
    id: my-app
    uses: getsentry/action-github-app-token@v1
    with:
      app_id: ${{ secrets.APP_ID }}
      private_key: ${{ secrets.APP_PRIVATE_KEY }}

  - name: Checkout private repo
    uses: actions/checkout@v2
    with:
      repository: getsentry/my-private-repo
      token: ${{ steps.my-app.outputs.token }}