Add "pop" OS handler to CI building

ci/build.sh

@@ -7,6 +7,8 @@ os_kind=$(awk -F= '/^ID=/{print $2}' /etc/os-release)
 os_kind=${os_kind//\"/}
 if [[ "${os_kind}" == "ubuntu" ]]; then
     source /var/lib/gitlab-runner/.bashrc
+elif [[ "${os_kind}" == "pop" ]]; then
+    source /var/lib/gitlab-runner/.bashrc
 elif [[ "${os_kind}" == "centos" ]]; then
     source ~/.bashrc
 fi