Align tsconfig to allow moduleResolution: nodenext (#728)

* Align tsconfig to allow moduleResolution: nodenext

* Adjust

* Default target flag

packages/ui-settings/src/defaults/ui.ts

@@ -1,7 +1,7 @@
 // Copyright 2017-2023 @polkadot/ui-settings authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import type { Option } from '../types';
+import type { Option } from '../types.js';
 
 import { isPolkadot } from './type.js';