feat: suspend instance improvements (#13861)

* feat(backend): dead instance detection

* feat(backend): suspend type detection

* feat(frontend): show suspend reason on frontend

* feat(backend): resume federation automatically if the server is automatically suspended

* docs(changelog): 配信停止まわりの改善

* lint: fix lint errors

* Update packages/frontend/src/pages/instance-info.vue

* lint: fix lint error

* chore: suspendedState => suspensionState

---------

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

locales/index.d.ts

@@ -4972,6 +4972,38 @@ export interface Locale extends ILocale {
      * お問い合わせ
      */
     "inquiry": string;
+    "_delivery": {
+        /**
+         * 配信状態
+         */
+        "status": string;
+        /**
+         * 配信停止
+         */
+        "stop": string;
+        /**
+         * 配信再開
+         */
+        "resume": string;
+        "_type": {
+            /**
+             * 配信中
+             */
+            "none": string;
+            /**
+             * 手動停止中
+             */
+            "manuallySuspended": string;
+            /**
+             * サーバー削除のため停止中
+             */
+            "goneSuspended": string;
+            /**
+             * サーバー応答なしのため停止中
+             */
+            "autoSuspendedForNotResponding": string;
+        };
+    };
     "_bubbleGame": {
         /**
          * 遊び方