chore: bump version to 2.19.1 and update proxy imports

- Incremented application version from 2.19.0 to 2.19.1 in package.json.
- Updated import statement in proxy.ts to use URLPattern from 'node:url' instead of 'next/server'.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "next-supabase-saas-kit-turbo",
-  "version": "2.19.0",
+  "version": "2.19.1",
   "private": true,
   "sideEffects": false,
   "engines": {