replace uuid pkg

db/booking.ts

@@ -1,5 +1,4 @@
 import * as mongoose from 'mongoose'
-import { v4 as uuidv4 } from 'uuid'
 import {
   dateFormatBackend,
   getDays,
@@ -42,7 +41,7 @@ const BookingSchema = new mongoose.Schema(
     // need a seperate uuid to be able to target a booking anonimously
     uuid: {
       type: String,
-      default: uuidv4,
+      default: () => crypto.randomUUID(),
       index: true,
     },
     name: { type: String, required: true },