chore: update lesson_02 build action (#92)

Signed-off-by: Anthony D. Mays <[email protected]>

Author: anthonydmays

.github/workflows/check_lesson_02_pr.yaml

@@ -14,6 +14,8 @@ jobs:
       contents: read
 
     steps:
+    - uses: actions/checkout@v4
+    
     - name: Use Node.js
       uses: actions/setup-node@v4
       with: