chore(docs): svelte 5 compatibility updates (#12634)

* Update drizzle.mdx

Fixup previous reference to next-auth

* Update get-session.mdx

Update code for svelte 5

Author: nicolecomputer

docs/pages/getting-started/adapters/drizzle.mdx

@@ -55,7 +55,7 @@ import {
 } from "drizzle-orm/pg-core"
 import postgres from "postgres"
 import { drizzle } from "drizzle-orm/postgres-js"
-import type { AdapterAccountType } from "next-auth/adapters"
+import type { AdapterAccountType } from "@auth/core/adapters";
 
 const connectionString = "postgres://postgres:postgres@localhost:5432/drizzle"
 const pool = postgres(connectionString, { max: 1 })

docs/pages/getting-started/session-management/get-session.mdx

@@ -153,8 +153,8 @@ With SvelteKit, you have to return the `session` object from the load function i
 ```ts filename="src/routes/+page.server.ts" {11}
 import type { PageServerLoad } from "./$types"
 
-export const load: PageServerLoad = async (events) => {
-  const session = await events.locals.auth()
+export const load: PageServerLoad = async ({ params, locals }) => {
+  const session = await locals.auth()
 
   if (!session?.user?.userId) {
     redirect(303, `/login`)
@@ -170,12 +170,12 @@ Then you can access the `session` on the `$page.data` object in your page.
 
 ```svelte filename="src/routes/+page.svelte" {7}
 <script lang="ts">
-  import { page } from "$app/stores"
+  const { data } = $props();
 </script>
 
 <nav>
   <img
-    src={$page.data.session?.user?.image ?? "https://i.pravatar.cc/300"}
+    src={data.session?.user?.image ?? "https://i.pravatar.cc/300"}
     alt="User Avatar"
   />
 </nav>