fix(deps): update dependency @portabletext/types to v4

Author: renovate[bot]

package.json

@@ -66,7 +66,7 @@
   },
   "dependencies": {
     "@portabletext/react": "^4.0.3",
-    "@portabletext/types": "^3.0.1"
+    "@portabletext/types": "^4.0.0"
   },
   "devDependencies": {
     "@babel/core": "^7.28.5",