Update OpenAPI schema

[dotto-api-schema-updater]

This PR updates the OpenAPI schema from dotto-typespec.

Triggered by: fun-dotto/dotto-typespec@a0afda6

[Copilot]

Pull request overview

Updates the Admin BFF and external Academic API OpenAPI specifications (and regenerated Go code) to align with the latest dotto-typespec changes, including request/parameter shape updates for timetable-related endpoints.

Changes:

• Remove dayOfWeek query parameter from TimetableItemsV1_list (spec + generated binding/params).
• Add required roomIds to TimetableItemRequest (specs + regenerated Go models).

Reviewed changes

Copilot reviewed 2 out of 4 changed files in this pull request and generated no comments.

File	Description
openapi/openapi.yaml	Updates BFF OpenAPI contract: removes dayOfWeek filter; requires roomIds in timetable item create request.
openapi/external/academic_api/openapi.yaml	Updates upstream Academic API spec: requires roomIds in timetable item create request.
generated/external/academic_api/client.gen.go	Regenerates upstream Academic API Go client models to include RoomIds.
generated/api.gen.go	Regenerates BFF server/client types and binding to reflect removal of dayOfWeek and addition of RoomIds.

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