message: chore: use GH action checkout v2
diff: @@ -14,7 +14,7 @@ jobs:
  runs-on: ubuntu-latest
  steps:
  - - uses: actions/checkout@v1
  + - uses: actions/checkout@v2
  - name: Get yarn cache
  id: yarn-cache
  run: echo "::set-output name=dir::$(yarn cache dir)"
  