feat(tracking): Updating TrackingContentIds

### Overview

`TrackingContentIds` can now takes a `journey_id`

### PR Checklist

- [ ] Related to JIRA ticket: ABC-123
- [ ] I have run this code to verify it works
- [ ] This PR includes unit tests for the code change

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packages/tracking/src/events/types.ts

@@ -116,6 +116,7 @@ export type TrackingContentIds = {
   program_unit_id?: string;
   review_card_id?: string;
   track_id?: string;
+  journey_id?: string;
 };
 
 /**