Bug fixes for wi24

[JustKong13]

Summary

This pull request fixes a few bugs and prepares LSC for the winter semester, as well as

• Dashboard no longer preloads spring 23
• Fixed Email Regex to have to end with cornell.edu
• Added winter '24 semester to metrics

Test Plan

Metrics page also has winter '24 as a valid option

Now correctly identifies invalid emails

Notes

In the future we will need to make the metrics semesters update automatically.

Breaking Changes

yarn.lock was updated when I did yarn install, it seems to me that the changes primarily consists of a new syntax update which just removed quotation marks.
package-lock.json was also updated when I did npm install, due to me working off of a new machine. There were no deletions or additions, just standard upgrades.

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[rgu0114]

idr how regex works oop, does this like, make sure emails end with explicitly .edu and not like .education?

[Coreball]

Probably has to do with the dot matching any character other than line terminators lol

[rgu0114]

ah ok. btw, hi Changyuan!

[rgu0114]

Maybe mention what dependency changes u made in package.lock/yarn.lock

[JustKong13]

Maybe mention what dependency changes u made in package.lock/yarn.lock

Just added that to the pull request! Basically I think for frontend there was an update which removed quotation marks around certain parts of the file (with no meaningful dependency changes), and for the backend our packages had version upgrades. There was no addition or deletion of any packages

[rgu0114]

looks good 👍