chore(examples): replace deprecated getSession with auth (#11309)

chore: replace deprecated getSession with auth

Co-authored-by: Thang Vu <[email protected]>

Author: k-taro56

apps/examples/sveltekit/src/routes/+layout.server.ts

@@ -2,6 +2,6 @@ import type { LayoutServerLoad } from "./$types"
 
 export const load: LayoutServerLoad = async (event) => {
   return {
-    session: await event.locals.getSession(),
+    session: await event.locals.auth(),
   }
 }