Added jq for repack CI tests

continuousintegration/docker/ctafrontend/cc7/opt/run/bin/client.sh

@@ -9,6 +9,9 @@ if [ ! -e /etc/buildtreeRunner ]; then
   # Install missing RPMs
   yum -y install cta-cli cta-debuginfo xrootd-client eos-client
 
+  # Install needed tools for CI testing
+  yum install -y jq
+
   ## Keep this temporary fix that may be needed if going to protobuf3-3.5.1 for CTA
   # Install eos-protobuf3 separately as eos is OK with protobuf3 but cannot use it..
   # Andreas is fixing eos-(client|server) rpms to depend on eos-protobuf3 instead