fix(i18n): update translations (#3130)

Author: boxmoji

i18n/ja-JP.properties

@@ -197,7 +197,7 @@ be.contentSidebar.activityFeed.common.activityStatusResolved = 解決済み
 # Label indicating that message was edited, should be lowercase
 be.contentSidebar.activityFeed.common.editedMessage =  (編集済み)
 # See less button for hiding part of long message
-be.contentSidebar.activityFeed.common.seeLessMessage = 一部を表示
+be.contentSidebar.activityFeed.common.seeLessMessage = 表示を減らす
 # See more button for showing whole long message
 be.contentSidebar.activityFeed.common.seeMoreMessage = さらに表示
 # Translate button for translating comment