update Sandstorm metadata for bugfix release
update Sandstorm metadata for bugfix release

wekan/wekan,jtickle/wekan,mario-orlicky/wekan,jtickle/wekan,oliver4u/sap-wekan,johnleeming/wekan,wekan/wekan,wekan/wekan,oliver4u/sap-wekan,nztqa/wekan,johnleeming/wekan,libreboard/libreboard,oliver4u/WEKAN_runpartner,libreboard/libreboard,GhassenRjab/wekan,Serubin/wekan,ddanssaert/wekan,oliver4u/WEKAN_runpartner,Serubin/wekan,ddanssaert/wekan,johnleeming/wekan,nztqa/wekan,jtickle/wekan,ddanssaert/wekan,oliver4u/WEKAN_runpartner,mario-orlicky/wekan,wekan/wekan,GhassenRjab/wekan,nztqa/wekan,mario-orlicky/wekan,wekan/wekan,Serubin/wekan,oliver4u/sap-wekan,johnleeming/wekan,GhassenRjab/wekan