Upgrade React and Redux dependencies

[ndepaola]

Description

• Picking up latest versions of a few major dependencies - react, react-dom, redux-toolkit, react-redux, and @hello-pangea/dnd
• https://redux-toolkit.js.org/usage/migrating-rtk-2

Checklist

• [x] I have installed pre-commit and installed the hooks with pre-commit install before creating any commits.
• [x] I have updated any related tests for code I modified or added new tests where appropriate.
• [x] I have manually tested my changes as follows:
  • Spun up the app locally, clicked around a bit
• [x] I have updated any relevant documentation or created new documentation where appropriate.
  • None required