update: obsidian tasks config and version

- Updated exlusion
- Updated next status symbol from TODO status
- Added ON-HOLD status type

.obsidian/plugins/obsidian-tasks-plugin/manifest.json

@@ -1,9 +1,10 @@
 {
   "id": "obsidian-tasks-plugin",
   "name": "Tasks",
-  "version": "4.3.0",
+  "version": "5.5.0",
   "minAppVersion": "1.1.1",
   "description": "Task management for Obsidian",
+  "helpUrl": "https://publish.obsidian.md/tasks/",
   "author": "Martin Schenck and Clare Macrae",
   "authorUrl": "https://github.com/obsidian-tasks-group",
   "fundingUrl": "https://github.com/sponsors/claremacrae",