style: ensure newlines at the end of each file

src/features/settings/utils/__tests__/getSetting.test.js

@@ -523,4 +523,4 @@ test.for([
     ({ settings: veryNestedSettingsList, path: ['1b', '2b', '3b', '4ba', '5b', '6b', '7a'], expected: undefined })
 ])('returns $expected', ({ settings, path, expected }) => {
     expect(getSettingRecursively(path, settings)).toStrictEqual(expected);
-});
+});