chore: update version to 0.3.4 in plugin.json

Author: pikann

plugin.json

@@ -2,7 +2,7 @@
   "id": "com.paca.dashboard",
   "displayName": "Dashboard",
   "description": "Customizable panel-based dashboard builder (charts, tables, text) across the project dashboard page, the admin dashboard page, and a single dashboard per Integration-page view (backlog/sprint/timeline).",
-  "version": "0.3.3",
+  "version": "0.3.4",
   "minCoreVersion": "v0.13.3",
   "permissions": ["db.read", "db.write", "events.subscribe", "cache"],
   "backend": {