bump documentation references from 4.19 to 4.20 (#91)

Signed-off-by: Manuel Lorenzo <mlorenzofr@redhat.com>

Author: mlorenzofr

README.md

@@ -16,11 +16,11 @@ Showcases the Zero Trust capabilities across Red Hat's product portfolio in a re
 The following components are included in the Layered Zero Trust Pattern
 
 * OpenShift cluster hardening
-  * [Compliance Operator](https://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html/security_and_compliance/compliance-operator)
+  * [Compliance Operator](https://docs.redhat.com/en/documentation/openshift_container_platform/4.20/html/security_and_compliance/compliance-operator)
 * [Red Hat Build of Keycloak](https://access.redhat.com/products/red-hat-build-of-keycloak/)
   * Identities to access pattern components
   * OIDC client to authenticate uses to a web application
-* [Red Hat Zero Trust Workload Identity Manager](https://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html/security_and_compliance/zero-trust-workload-identity-manager)
+* [Red Hat Zero Trust Workload Identity Manager](https://docs.redhat.com/en/documentation/openshift_container_platform/4.20/html/security_and_compliance/zero-trust-workload-identity-manager)
   * Provides identities to workloads running within OpenShift
 * [HashiCorp Vault](https://www.hashicorp.com/en/products/vault)
   * Secure storage of sensitive assets
@@ -45,7 +45,7 @@ Utilize the following steps to prepare your machine and complete any and all pre
 
 ### Prerequisites
 
-1. An OpenShift Container Platform 4.19+ cluster with:
+1. An OpenShift Container Platform 4.20+ cluster with:
     1. Publicly signed certificates for Ingress
     2. A default `StorageClass` which provides dynamic `PersistentVolume` storage
 2. To customize the provided default configuration, a GitHub account and a token for it with repositories permissions, to read from and write to your forks, is required.

docs/DEVELOPMENT.md

@@ -17,7 +17,7 @@ The following options should be selected:
 * Activity: Practice / Enablement
 * Purpose: Trying out a technical solution
 * Salesforce ID: Can be omitted (See note below)
-* OpenShift Version: 4.19+
+* OpenShift Version: 4.20+
 * Features
   * Enable Cert Manager
   * Enable Cert Manager API

values-4.18-hub.yaml

@@ -105,7 +105,7 @@ clusterGroup:
     # odf:
     #   name: odf-operator
     #   namespace: openshift-storage
-    #   channel: stable-4.19
+    #   channel: stable-4.20
     #   annotations:
     #     argocd.argoproj.io/sync-wave: "-4"  # Install after OperatorGroup (-5)
     # quay-operator: