🚀 Feature: Add Jérémie Astori to /about page

### Bug Report Checklist - [X] I have pulled the latest `main` branch of the repository. - [X] I have [searched for related issues](https://github.com/JoshuaKGoldberg/boston-ts-website/issues?q=is%3Aissue) and found none that matched my issue. ### Overview @astorije you're not on https://bostonts.club/about > _The Team_! 😱 ### Additional Info _No response_