Set VITE_API_URL in GitHub Actions deploy workflow

Added environment variable for VITE_API_URL in deploy workflow.

Author: andresito87

.github/workflows/deploy.yml

@@ -25,6 +25,9 @@ jobs:
       run:
         working-directory: 05-heroes-app
 
+    env:
+      VITE_API_URL: ${{ vars.VITE_API_URL }}
+
     steps:
       - name: Checkout
         uses: actions/checkout@v4