[CI] ubuntu 24.04 does not have nc

Let's install it (netcat-traditional) explicitly.

Author: dmitry-lipetsk

Dockerfile--ubuntu_24_04.tmpl

@@ -10,6 +10,7 @@ RUN apt install -y sudo curl ca-certificates
 RUN apt update
 RUN apt install -y openssh-server
 RUN apt install -y time
+RUN apt install -y netcat-traditional
 
 RUN apt update
 RUN apt install -y postgresql-common