set theme url on ci to use https

.ci/deploy.sh

@@ -39,7 +39,7 @@ do
                 yarn
 
                 # build the unstable version - can be optimized
-                git config submodule.theme.url ssh://CI_DEPLOY_USER:CI_DEPLOY_PASSWORD@git-r3lab-server.uni.lu:8022/R3/outreach/theme.git
+                git config submodule.theme.url git clone https://$CI_DEPLOY_USER:$CI_DEPLOY_PASSWORD@git-r3lab.uni.lu/R3/outreach/theme.git
                 git submodule update --recursive --init
                 grunt dist
                 mv public/* $rootDir/public/$BLADE/unstable/.