fixed year + updated form on page + archived 2023 website

[ShriyaDale]

things on hygraph that are updated:

1. hackathon header (rn i had to put the interest form for sign up, but that's cuz we don't have a sign up form and hygraph wouldn't let me leave the link blank)
2. hackathon about
3. hackathon jumpstart
4. hackathon date
   **check the update summary for things that i've crossed off - also make sure you uncomment the import SponsorshipProspectus in the GirlsHooHack.tsx once you've uploaded hack's current and most recent prospectus.

lmk if what im saying doesn't make sense via text btw vivian