Add support for 2023/2024 undergraduate calendar

[JoshoTheMosho]

Description

Add support for the upcoming September 2023 and January 2024 semesters.

Checklist

• [ ] The code follows all style guidelines.
• [ ] The code passes all required tests.
• [ ] The code is documented.
• [ ] The code includes tests.
• [ ] I have self-reviewed my changes and have done QA.

General Comments

I haven't had time to actually check through all the changes, just copied and replaced from the May 2022 PR.

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
courseup	❌ Failed (Inspect)			May 17, 2023 6:33am