Update credits page

[dietbacon]

https://scratch.mit.edu/credits should have the following updates:

Add to MIT Scratch Team section:

Amielle (originalwow)
Craig (noncanonical)
Joshua (Class12321)
Ellen (SunnyDay4aBlueJay)

Remove from MIT Scratch Team section:

Elizabeth (rmiel)

Add to Past Contributors:

Elizabeth Foster

Remove from Past Contributors:

Ellen Daoust

files to change

• src/views/credits/people.json
• src/views/credits/credits.jsx

[GrahamSH-LLK]

Great! I'll start working on this!

[benjiwheeler]

Thanks @GrahamSH-LLK! When you make the pull request, please @ me in the description or in a comment

[GrahamSH-LLK]

@benjiwheeler I finished! See #4065