Update build.yml

Author: Mohammed Rokon Uddin

.github/workflows/build.yml

@@ -20,7 +20,7 @@ jobs:
         with:
           xcode-version: '15.0'
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Build
         working-directory: ./{{cookiecutter.app_name}}
         env: