Update antora.yml

Author: deerskindoll

antora.yml

@@ -21,7 +21,7 @@ asciidoc:
     ocp: OpenShift Container Platform
     # recommended OCP version for new deployments
     # included in links to OCP docs and in catalog source links: do not include the "v" prefix here
-    ocp4-ver: "4.17"
+    ocp4-ver: "4.18"
     # for the project
     che-plugin-registry-directory: che-plugin-registry
     devworkspace-operator-index-disconnected-install: quay.io/devfile/devworkspace-operator-index:release-digest