Use new checkout action

Author: sebromero

.github/workflows/render-registry.yml

@@ -5,7 +5,7 @@ jobs:
   render:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-node@v2
         with:
           node-version: 14