chore(deps): bump zod from 3.20.6 to 3.21.4 (#5103)

Bumps [zod](https://github.com/colinhacks/zod) from 3.20.6 to 3.21.4.
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Changelog](https://github.com/colinhacks/zod/blob/master/CHANGELOG.md)
- [Commits](https://github.com/colinhacks/zod/compare/v3.20.6...v3.21.4)

---
updated-dependencies:
- dependency-name: zod
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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package.json

@@ -219,7 +219,7 @@
     "y-indexeddb": "^9.0.9",
     "y-protocols": "^1.0.5",
     "yjs": "^13.5.39",
-    "zod": "^3.20.2"
+    "zod": "^3.21.4"
   },
   "devDependencies": {
     "@babel/cli": "^7.21.0",