fix!: drop support for nuxt/bridge and nuxt v2

This reverts commit 39fa8ec.

Author: danielroe

package.json

@@ -48,7 +48,7 @@
     "test:e2e": "vitest run test/e2e/*.test.*"
   },
   "dependencies": {
-    "@nuxt/kit": "^3.17.7",
+    "@nuxt/kit": "^4.0.0",
     "@portabletext/types": "^2.0.13",
     "@portabletext/vue": "^1.0.12",
     "@sanity/client": "^7.6.0",