Updates an existing page in a specific course using the Canvas LMS API.
update_page(canvas, course_id, page_id, page_params)A confirmation message that the page has been updated.
A list containing the 'api_key' and 'base_url' for authentication.
The ID of the course in which to create the page.
The ID of the page.
A named list of page parameters to update. This list can include:
(string) The title for the updated page.
(string) The content for the updated page.
(boolean) Whether the page is published (TRUE) or draft state (FALSE).
(DateTime) Schedule a future date/time to publish the page.