[3rdparty] bump symfony/console to 2.7.7
[3rdparty] bump symfony/console to 2.7.7

pollopolea/core,Ardinis/server,cernbox/core,sharidas/core,xx621998xx/server,owncloud/core,jbicha/server,IljaN/core,owncloud/core,pixelipo/server,andreas-p/nextcloud-server,IljaN/core,andreas-p/nextcloud-server,pmattern/server,nextcloud/server,whitekiba/server,sharidas/core,xx621998xx/server,cernbox/core,endsguy/server,andreas-p/nextcloud-server,endsguy/server,whitekiba/server,pmattern/server,IljaN/core,cernbox/core,michaelletzgus/nextcloud-server,michaelletzgus/nextcloud-server,Ardinis/server,pmattern/server,andreas-p/nextcloud-server,cernbox/core,xx621998xx/server,nextcloud/server,owncloud/core,xx621998xx/server,Ardinis/server,pixelipo/server,IljaN/core,xx621998xx/server,phil-davis/core,Ardinis/server,owncloud/core,bluelml/core,pmattern/server,jbicha/server,pollopolea/core,whitekiba/server,andreas-p/nextcloud-server,sharidas/core,whitekiba/server,endsguy/server,pmattern/server,Ardinis/server,sharidas/core,jbicha/server,pollopolea/core,IljaN/core,endsguy/server,nextcloud/server,whitekiba/server,cernbox/core,michaelletzgus/nextcloud-server,pixelipo/server,pollopolea/core,bluelml/core,michaelletzgus/nextcloud-server,bluelml/core,bluelml/core,jbicha/server,jbicha/server,endsguy/server,nextcloud/server,sharidas/core,owncloud/core,bluelml/core,pixelipo/server,pollopolea/core,pixelipo/server