installs cacert.pem for build

gitlab/install.sh

@@ -57,6 +57,7 @@ get_exec() {
 
 
 run_cmd mkdir -pv ${1}
+get_script ${1} cacert.pem
 get_script ${1} functions.sh
 for stage in "build" "deploy" "pypi"; do
   get_exec ${1} ${stage}.sh