fix: update prod deployment script to be manually triggered (#828)

Author: isaackps

.github/workflows/deploy-prod.yml

@@ -1,8 +1,7 @@
 name: Deploy to Production Environment
 
 on:
-  push:
-    branches: [master]
+  workflow_dispatch:
 
 concurrency:
   group: deploy-prod-${{ github.ref }}