cleanup: trim trailing whitespace (#11136)

* cleanup: trim trailing whitespace

* update(`.editorconfig`)

---------

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

packages/frontend/src/pages/admin/moderation.vue

@@ -24,7 +24,7 @@
 						<template #label>{{ i18n.ts.preservedUsernames }}</template>
 						<template #caption>{{ i18n.ts.preservedUsernamesDescription }}</template>
 					</MkTextarea>
-					
+
 					<MkTextarea v-model="sensitiveWords">
 						<template #label>{{ i18n.ts.sensitiveWords }}</template>
 						<template #caption>{{ i18n.ts.sensitiveWordsDescription }}<br>{{ i18n.ts.sensitiveWordsDescription2 }}</template>