Add missing net-tools req agent RPM

The `pbench-uperf` bench-script invokes `netstat`, so we need to provide
a requirement on the `net-tools` RPM in order to be sure that command is
available.

While we are at it, we also add it to the development image used by
the Jenkins CI, just in case.

Author: portante

agent/rpm/pbench-agent.spec.j2

@@ -39,9 +39,9 @@ Requires:  python3-psutil
 Requires:  perl, perl-Data-UUID, perl-JSON, %{?prefixjsonxs}perl-JSON-XS
 Requires:  perl-Time-HiRes
 
-Requires:  ansible, bc, bzip2, hostname, iproute, iputils, openssh-clients
-Requires:  openssh-server, procps-ng, psmisc, redis, rsync, screen, sos, tar
-Requires:  xz
+Requires:  ansible, bc, bzip2, hostname, iproute, iputils, net-tools
+Requires:  openssh-clients, openssh-server, procps-ng, psmisc, redis, rsync
+Requires:  screen, sos, tar, xz
 
 Obsoletes: pbench <= 0.34
 Conflicts: pbench <= 0.34

jenkins/development.Dockerfile

@@ -46,6 +46,7 @@ RUN \
         iproute \
         iputils \
         less \
+        net-tools \
         openssh-clients \
         openssh-server \
         perl \