Use .js imports in src (#727)

* Use .js in src imports

* Bump dev

packages/ui-settings/src/defaults/endpoints.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';
 
 export const ENDPOINTS: Option[] = [{
   info: 'local',