cleanup workflow

.github/workflows/build.yml

@@ -5,7 +5,6 @@
 name: Build Docker image
 
 on:
-  workflow_dispatch:
   push:
     branches:
       - develop
@@ -32,7 +31,7 @@ jobs:
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          password: ${{ secrets.GH_PAT }}
 
       - name: Extract image metadata
         id: meta