UPSTREAM: <carry>: Add disconnected annotation for OperatorHub

Per [0]. This allows filtering of operators in OperatorHub based on
the ability to run in a disconnected environment.

0: https://docs.openshift.com/container-platform/4.9/operators/operator_sdk/osdk-generating-csvs.html#olm-enabling-operator-for-restricted-network_osdk-generating-csvs
(cherry picked from commit c09fc28)
(cherry picked from commit 5b9e626)
(cherry picked from commit ceab562)
(cherry picked from commit 430895e)
(cherry picked from commit 6b5304c)
(cherry picked from commit c3a2a17)
(cherry picked from commit d8e5a57)
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
(cherry picked from commit 6e15ed7)
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
(cherry picked from commit 1582d11)
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
(cherry picked from commit 6d280b3)
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
(cherry picked from commit d234362)
Signed-off-by: Mat Kowalski <mko@redhat.com>

manifests/4.10/kubernetes-nmstate-operator.v4.10.0.clusterserviceversion.yaml

@@ -24,6 +24,7 @@ metadata:
         }
       }]
     operatorframework.io/suggested-namespace: openshift-nmstate
+    operators.openshift.io/infrastructure-features: '["disconnected"]'
     capabilities: Basic Install
     certified: "false"
     categories: OpenShift Optional