chore: regenerate skills [skip ci]

Author: googleworkspace-bot

skills/gws-classroom/SKILL.md

@@ -29,7 +29,7 @@ gws classroom <resource> <method> [flags]
   - `getGradingPeriodSettings` — Returns the grading period settings in a course. This method returns the following error codes: * `PERMISSION_DENIED` if the requesting user isn't permitted to access the grading period settings in the requested course or for access errors. * `NOT_FOUND` if the requested course does not exist.
   - `list` — Returns a list of courses that the requesting user is permitted to view, restricted to those that match the request. Returned courses are ordered by creation time, with the most recently created coming first. This method returns the following error codes: * `PERMISSION_DENIED` for access errors. * `INVALID_ARGUMENT` if the query argument is malformed. * `NOT_FOUND` if any users specified in the query arguments do not exist.
   - `patch` — Updates one or more fields in a course. This method returns the following error codes: * `PERMISSION_DENIED` if the requesting user is not permitted to modify the requested course or for access errors. * `NOT_FOUND` if no course exists with the requested ID. * `INVALID_ARGUMENT` if invalid fields are specified in the update mask or if no update mask is supplied.
-  - `update` — Updates a course. Note: Unlike other fields, `levels` is not cleared if omitted from the request. The `UpdateCourse` method only modifies `levels` if it is explicitly provided; otherwise, the existing value is preserved. Use the `PatchCourse` method to clear the `levels` field. This method returns the following error codes: * `PERMISSION_DENIED` if the requesting user is not permitted to modify the requested course or for access errors. * `NOT_FOUND` if no course exists with the requested ID.
+  - `update` — Updates a course. This method returns the following error codes: * `PERMISSION_DENIED` if the requesting user is not permitted to modify the requested course or for access errors. * `NOT_FOUND` if no course exists with the requested ID. * `FAILED_PRECONDITION` for the following request errors: * CourseNotModifiable * CourseTitleCannotContainUrl
   - `updateGradingPeriodSettings` — Updates grading period settings of a course. Individual grading periods can be added, removed, or modified using this method. The requesting user and course owner must be eligible to modify Grading Periods. For details, see [licensing requirements](https://developers.google.com/workspace/classroom/grading-periods/manage-grading-periods#licensing_requirements).
   - `aliases` — Operations on the 'aliases' resource
   - `announcements` — Operations on the 'announcements' resource