ci(github): use node 24.x in maintain-project workflow

Author: djcsdy

.github/workflows/maintain-project.yml

@@ -4,7 +4,7 @@ on:
  - cron: 5 0 1 * *
  workflow_dispatch: null
 env:
- NODE_VERSION: 20.x
+ NODE_VERSION: 24.x
 jobs:
  maintain-project:
  name: Maintain Project