Add compatibility date to playground

Author: Gugustinette

playground/nuxt.config.ts

@@ -1,16 +1,21 @@
 export default defineNuxtConfig({
   modules: ['../src/module', '@nuxt/ui'],
+
   devtools: {
     enabled: true,
 
     timeline: {
       enabled: true
     }
   },
+
   app: {
     baseURL: '/'
   },
+
   leaflet: {
     markerCluster: true
-  }
+  },
+
+  compatibilityDate: '2024-07-26'
 })