[3.9] missing string in en-GB.plg_system_actionlogs.ini

add missing string

administrator/language/en-GB/en-GB.plg_system_actionlogs.ini

@@ -14,6 +14,7 @@ PLG_SYSTEM_ACTIONLOGS_OPTIONS="User Actions Log Options"
 PLG_SYSTEM_ACTIONLOGS_XML_DESCRIPTION="Record the actions of users on the site so they can be reviewed if required."
 ; Common content type log messages
 PLG_SYSTEM_ACTIONLOGS_CONTENT_ADDED="User <a href=\"{accountlink}\">{username}</a> added new {type} <a href=\"{itemlink}\">{title}</a>"
+PLG_SYSTEM_ACTIONLOGS_CONTENT_ARCHIVED="User <a href=\"{accountlink}\">{username}</a> archived the {type} <a href=\"{itemlink}\">{title}</a>"
 PLG_SYSTEM_ACTIONLOGS_CONTENT_UPDATED="User <a href=\"{accountlink}\">{username}</a> updated the {type} <a href=\"{itemlink}\">{title}</a>"
 PLG_SYSTEM_ACTIONLOGS_CONTENT_PUBLISHED="User <a href=\"{accountlink}\">{username}</a> published the {type} <a href=\"{itemlink}\">{title}</a>"
 PLG_SYSTEM_ACTIONLOGS_CONTENT_UNPUBLISHED="User <a href=\"{accountlink}\">{username}</a> unpublished the {type} <a href=\"{itemlink}\">{title}</a>"