Updated spectral version

Various modernizations and documentation updates

Added calendar event monitoring capabilities:

• Calendar Change Events - Lifecycle webhook trigger that automatically manages Google Calendar push notification subscriptions when instances are deployed or deleted, with support for Push Notifications and Log Messages branches
• New and Updated Events - Polling trigger that monitors calendars for new and updated events on a configured schedule

Modernized component with inline data sources for selecting Calendars and Events.

Enhanced event management capabilities:

• Added "Send Updates" option to Update Event and Delete Event actions
• Implemented email invitations to attendees on Create Event
• Added Conference Event field support
• Fixed attendee input handling