ci(workflow): remove manual dispatch trigger from production deploy

Disable manual workflow dispatch to enforce deployment solely via main branch pushes.

Signed-off-by: night-slayer18 <samanuaia257@gmail.com>

Author: night-slayer18

.github/workflows/cd-production.yml

@@ -3,7 +3,6 @@ name: Deploy to Production
 on:
   push:
     branches: [main]
-  workflow_dispatch:
 
 env:
   NODE_VERSION: '20'