Add configuration to create cilium CNI plugin file when cilium>=1.14.0 (#10966)

roles/network_plugin/cilium/templates/cilium/config.yml.j2

@@ -69,6 +69,13 @@ data:
   # custom-cni-conf to "true", otherwise Cilium may overwrite the configuration.
   custom-cni-conf: "false"
 
+{% if cilium_version | regex_replace('v') is version('1.14.0', '>=') %}
+  # Tell the agent to generate and write a CNI configuration file
+  write-cni-conf-when-ready: /host/etc/cni/net.d/05-cilium.conflist
+  cni-exclusive: "{{ cilium_cni_exclusive }}"
+  cni-log-file: "{{ cilium_cni_log_file }}"
+{% endif %}
+
   # If you want cilium monitor to aggregate tracing for packets, set this level
   # to "low", "medium", or "maximum". The higher the level, the less packets
   # that will be seen in monitor output.