Fix version (#3521)

We were using react's version instead of the version of our packages.

### Change Type

<!-- ❗ Please select a 'Scope' label ❗️ -->

- [ ] `sdk` — Changes the tldraw SDK
- [x] `dotcom` — Changes the tldraw.com web app
- [ ] `docs` — Changes to the documentation, examples, or templates.
- [ ] `vs code` — Changes to the vscode plugin
- [ ] `internal` — Does not affect user-facing stuff

<!-- ❗ Please select a 'Type' label ❗️ -->

- [x] `bugfix` — Bug fix
- [ ] `feature` — New feature
- [ ] `improvement` — Improving existing features
- [ ] `chore` — Updating dependencies, other boring stuff
- [ ] `galaxy brain` — Architectural changes
- [ ] `tests` — Changes to any test code
- [ ] `tools` — Changes to infrastructure, CI, internal scripts,
debugging tools, etc.
- [ ] `dunno` — I don't know

apps/dotcom/src/components/IFrameProtector.tsx

@@ -1,5 +1,6 @@
-import { ReactNode, useEffect, useState, version } from 'react'
+import { ReactNode, useEffect, useState } from 'react'
 import { LoadingScreen } from 'tldraw'
+import { version } from '../../version'
 import { useUrl } from '../hooks/useUrl'
 import { trackAnalyticsEvent } from '../utils/trackAnalyticsEvent'