Update verify.sh

dell-csi-helm-installer/verify.sh

@@ -297,6 +297,7 @@ function verify_openshift_versions() {
   if (( ${V%%.*} > ${MAX%%.*} || ( ${V%%.*} == ${MAX%%.*} && ${V##*.} > ${MAX##*.} ) )) ; then
     error=1
     found_warning "OpenShift version ${V} is newer than the version that has been tested. Latest tested version is: ${MAX}"
+    found_warning "To ensure the driver is fully supported run cert-csi and make sure all tests pass. More details: https://dell.github.io/csm-docs/docs/cert-csi/"
   fi
   check_error error
 }