fix(docs): update nextjs quickstart (#28404)

Update quick start to use new SSR API.

apps/docs/content/guides/getting-started/quickstarts/nextjs.mdx

@@ -137,23 +137,16 @@ hideToc: true
             process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!,
             {
               cookies: {
-                get(name: string) {
-                  return cookieStore.get(name)?.value
+                getAll() {
+                  return cookieStore.getAll()
                 },
-                set(name: string, value: string, options: CookieOptions) {
+                setAll(cookiesToSet) {
                   try {
-                    cookieStore.set({ name, value, ...options })
-                  } catch (error) {
-                    // The `set` method was called from a Server Component.
-                    // This can be ignored if you have middleware refreshing
-                    // user sessions.
-                  }
-                },
-                remove(name: string, options: CookieOptions) {
-                  try {
-                    cookieStore.set({ name, value: '', ...options })
-                  } catch (error) {
-                    // The `delete` method was called from a Server Component.
+                    cookiesToSet.forEach(({ name, value, options }) =>
+                      cookieStore.set(name, value, options)
+                    )
+                  } catch {
+                    // The `setAll` method was called from a Server Component.
                     // This can be ignored if you have middleware refreshing
                     // user sessions.
                   }