Bump @liveblocks/client from 2.18.0 to 2.20.0

Bumps [@liveblocks/client](https://github.com/liveblocks/liveblocks/tree/HEAD/packages/liveblocks-client) from 2.18.0 to 2.20.0.
- [Release notes](https://github.com/liveblocks/liveblocks/releases)
- [Changelog](https://github.com/liveblocks/liveblocks/blob/main/CHANGELOG.md)
- [Commits](https://github.com/liveblocks/liveblocks/commits/v2.20.0/packages/liveblocks-client)

---
updated-dependencies:
- dependency-name: "@liveblocks/client"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -21,7 +21,7 @@
     "@clerk/nextjs": "^6.12.4",
     "@clerk/themes": "^2.2.20",
     "@hello-pangea/dnd": "^18.0.1",
-    "@liveblocks/client": "^2.18.0",
+    "@liveblocks/client": "^2.20.0",
     "@liveblocks/node": "^2.20.0",
     "@liveblocks/react": "^2.20.0",
     "@mdx-js/loader": "^3.1.0",