Support for @tiptap v3

There doesn't seem to be any blockers from the changes in [@tiptap v3](https://github.com/ueberdosis/tiptap/releases/tag/v3.0.1)

Would it be ok to change peerDependencies to:
```
"peerDependencies": {
    "@tiptap/core": "^2.0.0 || ^3.0.0",
    "@tiptap/pm": "^2.0.0 || ^3.0.0"
  }
```

I'm happy to raise a pr if this is ok