GitHub Action: Remove save-state and set-output deprecation warnings

> Warning: The `save-state` command is deprecated and will be disabled 
soon. Please upgrade to using Environment Files. For more information 
see: 
https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

.github/workflows/ci.yml

@@ -8,8 +8,8 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
         with:
           node-version: 16
           cache: 'yarn'