feat: update OAuth scopes for Confluence, Gmail, Google Calendar, Google Drive, and Jira connectors

surfsense_web/content/docs/connectors/google-calendar.mdx

@@ -37,9 +37,13 @@ This guide walks you through setting up a Google OAuth 2.0 integration for SurfS
 
 1. Click **Add or Remove Scopes**
 2. Add the following scope:
-   - `https://www.googleapis.com/auth/calendar.readonly` - Read Google Calendar events
+   - `https://www.googleapis.com/auth/calendar.events` - Read, create, update, and delete Google Calendar events
 3. Click **Update** and then **Save and Continue**
 
+<Callout type="info">
+  The `calendar.events` scope is required for HITL (Human-in-the-Loop) tools like creating, updating, and deleting calendar events. If you only need read access, you can use `calendar.readonly` instead, but HITL tools will not work.
+</Callout>
+
 ## Step 4: Create OAuth Client ID
 
 1. Go to **APIs & Services** > **Credentials**