apollo.updateTask updates selected assignment, content, type, and due-time fields.
automations/update-apollo-task.automation.ts
task and at least one of callScript, contact, creator, dueAt, note, priority, relevantFields, title, type, or user. Optional second argument { account } selects the binding. Returns the updated ApolloTask.
For a scheduled task, Apollo must return its current creator unless you supply creator. Otherwise, the action fails rather than silently resetting it.