fix: change schedule from 'daily around 4:22' to 'daily' in agentic-wiki-writer

Co-authored-by: mrjf <180956+mrjf@users.noreply.github.com>

Author: Copilot

workflows/agentic-wiki-writer.md

@@ -10,7 +10,7 @@ on:
         description: "Regenerate PAGES.md from scratch (full regen)"
         type: boolean
         default: false
-  schedule: daily around 4:22
+  schedule: daily
 permissions:
   contents: read
   issues: read