refactor(frontend): 非推奨となったReactivity Transformを使わないように (#12539)

* refactor(frontend): 非推奨となったReactivity Transformを使わないように

* refactor: 不要な括弧を除去

* fix: 不要なアノテーションを除去

* fix: Refの配列をrefしている部分の対応

* refactor: 不要な括弧を除去

* fix: lint

* refactor: Ref、ShallowRef、ComputedRefの変数の宣言をletからconstに置換

* fix: type error

* chore: drop reactivity transform from eslint configuration

* refactor: remove unnecessary import

* fix: 対応漏れ

packages/frontend/src/pages/admin/external-services.vue

@@ -34,7 +34,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { } from 'vue';
+import { ref, computed } from 'vue';
 import XHeader from './_header_.vue';
 import MkInput from '@/components/MkInput.vue';
 import MkButton from '@/components/MkButton.vue';
@@ -46,27 +46,27 @@ import { fetchInstance } from '@/instance.js';
 import { i18n } from '@/i18n.js';
 import { definePageMetadata } from '@/scripts/page-metadata.js';
 
-let deeplAuthKey: string = $ref('');
-let deeplIsPro: boolean = $ref(false);
+const deeplAuthKey = ref<string>('');
+const deeplIsPro = ref<boolean>(false);
 
 async function init() {
 	const meta = await os.api('admin/meta');
-	deeplAuthKey = meta.deeplAuthKey;
-	deeplIsPro = meta.deeplIsPro;
+	deeplAuthKey.value = meta.deeplAuthKey;
+	deeplIsPro.value = meta.deeplIsPro;
 }
 
 function save() {
 	os.apiWithDialog('admin/update-meta', {
-		deeplAuthKey,
-		deeplIsPro,
+		deeplAuthKey: deeplAuthKey.value,
+		deeplIsPro: deeplIsPro.value,
 	}).then(() => {
 		fetchInstance();
 	});
 }
 
-const headerActions = $computed(() => []);
+const headerActions = computed(() => []);
 
-const headerTabs = $computed(() => []);
+const headerTabs = computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.externalServices,