Update missing translation file.
Update missing translation file.

This file was missed when merging Greek translation changes.
theodi/open-data-certificate,zoul/open-data-certificate,theodi/open-data-certificate,ahmadassaf/open-data-certificate,theodi/open-data-certificate,Motejl/open-data-certificate,ahmadassaf/open-data-certificate,istvan-antal/open-data-certificate,zoul/open-data-certificate,istvan-antal/open-data-certificate,zoul/open-data-certificate,ahmadassaf/open-data-certificate,zoul/open-data-certificate,Motejl/open-data-certificate,Motejl/open-data-certificate,Motejl/open-data-certificate,istvan-antal/open-data-certificate,ahmadassaf/open-data-certificate,theodi/open-data-certificate