docs: update pinia links (#415)

src/modules/pinia.ts

@@ -2,7 +2,7 @@ import { createPinia } from 'pinia'
 import { type UserModule } from '~/types'
 
 // Setup Pinia
-// https://pinia.esm.dev/
+// https://pinia.vuejs.org/
 export const install: UserModule = ({ isClient, initialState, app }) => {
   const pinia = createPinia()
   app.use(pinia)