Bug 1831027: Upgradeable = False, link to OpenShift docs

The service catalog is deprecated. In OpenShift 4.4, we will block
upgrades to 4.5 or later by setting the Upgradeable field to False.
This PR updates the message to point to the documentation that states
that.

pkg/operator/operator.go

@@ -117,7 +117,7 @@ func (c ServiceCatalogControllerManagerOperator) sync() error {
 			Type:    operatorapiv1.OperatorStatusTypeUpgradeable,
 			Status:  operatorapiv1.ConditionFalse,
 			Reason:  "Managed",
-			Message: "the controller manager is in a managed state, upgrades are not possible.",
+			Message: "The Service Catalog is deprecated, upgrades are not possible. Please visit this link for further details: https://docs.openshift.com/container-platform/4.4/applications/service_brokers/installing-service-catalog.html",
 		})
 	case operatorapiv1.Unmanaged:
 		// manage status
@@ -126,25 +126,25 @@ func (c ServiceCatalogControllerManagerOperator) sync() error {
 			Type:    operatorapiv1.OperatorStatusTypeAvailable,
 			Status:  operatorapiv1.ConditionUnknown,
 			Reason:  "Unmanaged",
-			Message: "the controller manager is in an unmanaged state, therefore its availability is unknown.",
+			Message: "The controller manager is in an unmanaged state, therefore its availability is unknown.",
 		})
 		v1helpers.SetOperatorCondition(&operatorConfig.Status.Conditions, operatorapiv1.OperatorCondition{
 			Type:    operatorapiv1.OperatorStatusTypeProgressing,
 			Status:  operatorapiv1.ConditionFalse,
 			Reason:  "Unmanaged",
-			Message: "the controller manager is in an unmanaged state, therefore no changes are being applied.",
+			Message: "The controller manager is in an unmanaged state, therefore no changes are being applied.",
 		})
 		v1helpers.SetOperatorCondition(&operatorConfig.Status.Conditions, operatorapiv1.OperatorCondition{
 			Type:    operatorapiv1.OperatorStatusTypeDegraded,
 			Status:  operatorapiv1.ConditionFalse,
 			Reason:  "Unmanaged",
-			Message: "the controller manager is in an unmanaged state, therefore no operator actions are failing.",
+			Message: "The controller manager is in an unmanaged state, therefore no operator actions are failing.",
 		})
 		v1helpers.SetOperatorCondition(&operatorConfig.Status.Conditions, operatorapiv1.OperatorCondition{
 			Type:    operatorapiv1.OperatorStatusTypeUpgradeable,
 			Status:  operatorapiv1.ConditionTrue,
 			Reason:  "Unmanaged",
-			Message: "the controller manager is in an unmanaged state, upgrades are possible.",
+			Message: "The controller manager is in an unmanaged state, upgrades are possible.",
 		})
 
 		if !equality.Semantic.DeepEqual(operatorConfig.Status, originalOperatorConfig.Status) {