Update image generation prompt and workflow configuration

Author: d-oit

.github/workflows/reusable-hugo-workflow.yml

@@ -5,7 +5,7 @@ on:
     inputs:
       hugo_version:
         type: string
-        default: '0.140.0'
+        default: '0.142.0'
         required: false
       base_url:
         type: string