ci: Add environment variables to build step

Author: Kongstad

.github/workflows/deploy.yml

@@ -34,6 +34,9 @@ jobs:
         run: npm test
 
       - name: Build
+        env:
+          VITE_BACKEND_URL: ${{ secrets.VITE_BACKEND_URL }}
+          VITE_TURNSTILE_SITE_KEY: ${{ secrets.VITE_TURNSTILE_SITE_KEY }}
         run: npm run build
 
       - name: Setup Pages