Updated the docs about Knative Operator 1.18 (#6259)

Author: houshengbo

docs/install/operator/knative-with-operators.md

@@ -5,9 +5,9 @@ You can install the Serving component, Eventing component, or both on your clust
 
 The following table describes the supported versions of Serving and Eventing for the Knative Operator:
 
-| Operator | Serving                                                                                                    | Eventing                                                                                                                                                                  |
-|----------|------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| v1.17    | v1.17.0<br/>v1.16.0 and v1.16.1<br/>v1.15.0, v1.15.1, v1.15.2 and v1.15.3<br/>v1.14.0, v1.14.1 and v1.14.2 | v1.17.0<br/>v1.16.0, v1.16.1, v1.16.2 and v1.16.3<br/>v1.15.0, v1.15.1, v1.15.2, v1.15.3, v1.15.4 and v1.15.5<br/>v1.14.0, v1.14.1, v1.14.2, v1.14.3, v1.14.4, v1.14.5, v1.14.6 and v1.14.7 |
+| Operator | Serving                                                                                                 | Eventing                                                                                                                                                                                                      |
+|----------|---------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| v1.18    | v1.18.0<br/>v1.17.0<br/>v1.16.0, v1.16.1, v1.16.2 and v1.16.3<br/>v1.15.0, v1.15.1, v1.15.2 and v1.15.3 | v1.18.0<br/>v1.17.0, v1.17.1, v1.17.2, v1.17.3, v1.17.4 and v1.17.5<br/>v1.16.0, v1.16.1, v1.16.2, v1.16.3, v1.16.4, v1.16.5, v1.16.6 and v1.16.7<br/>v1.15.0, v1.15.1, v1.15.2, v1.15.3, v1.15.4 and v1.15.5 |
 
 --8<-- "prerequisites.md"
 {% include "security-prereqs-images.md" %}