Update pihole.sh (#4026)

Author: CrazyWolf13

ct/pihole.sh

@@ -29,6 +29,8 @@ function update_script() {
     fi
     msg_info "Updating ${APP}"
     set +e
+    $STD apt-get update
+    $STD apt-get upgrade -y
     /usr/local/bin/pihole -up
     msg_ok "Updated ${APP}"
     exit
@@ -41,4 +43,4 @@ description
 msg_ok "Completed Successfully!\n"
 echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
 echo -e "${INFO}${YW} Access it using the following URL:${CL}"
-echo -e "${TAB}${GATEWAY}${BGN}http://${IP}/admin${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}http://${IP}/admin${CL}"