fix(deps): update dependency @portabletext/react to v5 (main) (#2968)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

packages/next-sanity/package.json

@@ -107,7 +107,7 @@
   },
   "browserslist": "extends @sanity/browserslist-config",
   "dependencies": {
-    "@portabletext/react": "^4.0.3",
+    "@portabletext/react": "^5.0.0",
     "@sanity/client": "^7.12.0",
     "@sanity/comlink": "^4.0.0",
     "@sanity/presentation-comlink": "^2.0.0",