cherrypick/.github/workflows/ok-to-test.yml

# If someone with write access comments "/ok-to-test" on a pull request, emit a repository_dispatch event
name: Ok To Test

on:
  issue_comment:
    types: [created]

jobs:
  ok-to-test:
    runs-on: ubuntu-latest
    # Only run for PRs, not issue comments
    if: ${{ github.event.issue.pull_request }}
    steps:
    # Generate a GitHub App installation access token from an App ID and private key
    # To create a new GitHub App:
    #   https://developer.github.com/apps/building-github-apps/creating-a-github-app/
    # See app.yml for an example app manifest
    - name: Generate token
      id: generate_token
      uses: tibdex/github-app-token@v1
      with:
        app_id: ${{ secrets.DEPLOYBOT_APP_ID }}
        private_key: ${{ secrets.DEPLOYBOT_PRIVATE_KEY }}

    - name: Slash Command Dispatch
      uses: peter-evans/slash-command-dispatch@v1
      env:
        TOKEN: ${{ steps.generate_token.outputs.token }}
      with:
        token: ${{ env.TOKEN }} # GitHub App installation access token
        # token: ${{ secrets.PERSONAL_ACCESS_TOKEN }} # PAT or OAuth token will also work
        reaction-token: ${{ secrets.GITHUB_TOKEN }}
        issue-type: pull-request
        commands: deploy
        named-args: true
        permission: write