update bilingual

lib/views/admin/app.html

@@ -137,7 +137,7 @@
         </p>
 
         <div class="form-group">
-          <label for="settingForm[app.region]" class="col-xs-3 control-label">リージョン</label>
+          <label for="settingForm[app.region]" class="col-xs-3 control-label">{{ t('app_setting.region') }}</label>
           <div class="col-xs-6">
             <input class="form-control" type="text" name="settingForm[aws:region]" placeholder="例: ap-northeast-1" value="{{ settingForm['aws:region'] }}">
           </div>