Install "epel-rpm-macros" for CC7 platform in build setup

ci/fedora-packages.sh

@@ -5,7 +5,7 @@ if [[ -f /usr/bin/dnf ]]; then
   dnf install -y dnf-plugins-core git rpm-build which tree python2 \
                  cmake make gcc gcc-c++
 else
+  yum install -y epel-rpm-macros
   yum install -y yum-utils git rpm-build make which tree python2 \
                  cmake cmake3 make gcc gcc-c++
 fi
-