Make sponsorship prospectus an updated link

[Json the Bson]

Make the link for "Sponsor ThunderPlains 2023" be a link that updates as the drive file is updated, aka this link. https://drive.google.com/file/d/1sXYsG1bOBLhF2yrSkM3BDmJkyYm2aa2J/view?usp=drive_link

[somet-code]

Attempting to work on this issue

[Kimberly Collins]

Done in #6