fix: (cicd.yml)update Docker build argument to use VITE_API_BASE_URL for better backend configuration

.env file have VITE_API_BASE_URL

Actions secrets variables section added new varible 'VITE_API_BASE_URL' named value what is in the .env file value also.

Author: Dilusha-Ranasingha

.github/workflows/cicd.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Build Docker Image
         run: |
           docker build \
-            --build-arg VITE_EC2_BACKEND_URL=${{ secrets.VITE_EC2_BACKEND_URL }} \
+            --build-arg VITE_API_BASE_URL=${{ secrets.VITE_API_BASE_URL }} \
             -t dilusharanasinghe/budget-tracker-fe:latest .
 
       - name: Push Docker Image