Update translations.

i18n/ja.i18n.json

@@ -986,6 +986,6 @@
   "links-heading": "Links",
   "hide-system-messages-of-all-users": "Hide system messages of all users",
   "now-system-messages-of-all-users-are-hidden": "Now system messages of all users are hidden",
-  "move-swimlane": "Move Swimlane",
-  "moveSwimlanePopup-title": "Move Swimlane"
+  "move-swimlane": "スイムレーンを移動する",
+  "moveSwimlanePopup-title": "スイムレーンを移動する"
 }