Update OpenSSH on Red Hat 9

We are encountering an issue with the older version of OpenSSH installed
on the Red Hat 9 images that we use in CI. This commit adds a temporary
step to update OpenSSH on Red Hat Enterprise Linux 9 platforms.

(cherry picked from commit 7f54e44)

acceptance/lib/puppet/acceptance/rpm_util.rb

@@ -16,6 +16,9 @@ def setup(agent)
         required_packages = %w[createrepo curl rpm-build]
         required_packages.each do |pkg|
           pkg_installed = (on agent, "#{cmd} list installed #{pkg}", :acceptable_exit_codes => (0..255)).exit_code == 0
+          # We need a newer OpenSSH for the newer OpenSSL that curl installs
+          # RE-16677
+          on(agent, 'dnf upgrade -y openssh') if (agent.platform.start_with?('el-9') && pkg == 'curl')
           # package not present, so perform a new install
           if !pkg_installed
             on agent, "#{cmd} install -y #{pkg}"