Trying to optimize the git checkout

Author: alansaviolobo

.github/workflows/refresh-fire-truck-locations.yml

@@ -15,6 +15,13 @@ jobs:
         uses: actions/checkout@v3
         with:
           ref: code
+          sparse-checkout: |
+            .github
+            package.json
+            package-lock.json
+            index.js
+            README.md
+            LICENSE
 
       - name: Setup Node.js
         uses: actions/setup-node@v3