fix(example): fix typo in build

Author: Umaaz

.github/workflows/on_push.yml

@@ -84,7 +84,7 @@ jobs:
   compile:
     runs-on: ubuntu-latest
     steps:
-      - uses: action/checkout@v3
+      - uses: actions/checkout@v3
 
       - name: Set up JDK 11
         uses: actions/setup-java@v3