Upgrade chore

[helt]

Dear maintainers,

I was in the process of upgrading some projects to react 19 and mui 7. In order to keep the swiss army knife for i/o debugging (textea/json-viewer ;) ), I forked and upgraded the json-viewer. Since I published to npm, I had to change the namespace and the name. Check out https://mui-json-viewer.vercel.app

If you are interested, I will create a minimal PR for you which allows you to merge all the changes, which include:

• workpackage root:
  • pnpm 10
  • fixed gh actions
  • deploy docs to vercel
• library:
  • mui 7
  • react 19
  • zustand 5
• docs:
  • nextjs 16
  • nextra 4

For all others: You can use @dataxpdtn/mui-json-viewer@5 as a drop-in-replacement for @TexteaInc/json-viewer@4.