Merge pull request #1540 from nestjs/renovate/actions-checkout-2.x

chore(deps): update actions/checkout action to v2

Author: kamilmysliwiec

.github/workflows/lighthouse.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Use Node.js 12.x
         uses: actions/setup-node@v1
         with: