Now you have new personas that your team needs to adapt to. Practice what you have learnt about working in an agile way, and start another iteration of your product.
Assignment
Modifying your design & code to support the 3 personas and make the website accessible. Generate a lighthouse report before and after so you can demonstrate the improvements to your site with data.
Asynchronous work
Work together to plan a sprint between now and the next session to make your changes. You will have to create and assign tasks, and keep communicating with each other as you'll all be back in your places of work during your sprint.