Add a required annotation to ns/openshift-lightspeed

To fix the job [1]:

```
  STEP: having openshift namespaces with management annotation @ 05/15/26 15:04:53.188
  [FAILED] in [It] - github.com/openshift/origin/test/extended/cpu_partitioning/platform.go:90 @ 05/15/26 15:04:53.225

fail [github.com/openshift/origin/test/extended/cpu_partitioning/platform.go:90]: projects [openshift-lightspeed] do not contain the annotation map[workload.openshift.io/allowed:management]
Expected
    <[]string | len:1, cap:1>: [
        "openshift-lightspeed",
    ]
to be empty
```

[1]. https://prow.ci.openshift.org/view/gs/test-platform-results/pr-logs/pull/openshift_cluster-version-operator/1382/pull-ci-openshift-cluster-version-operator-main-e2e-agnostic-ovn/2055256018060840960

Author: hongkailiu

install/0000_00_cluster-version-operator_45_openshift-lightspeed_namespace.yaml

@@ -5,3 +5,4 @@ metadata:
   annotations:
     kubernetes.io/description: This manifest is only for testing purpose and will be removed when its own operator becomes available on the cluster.
     include.release.openshift.io/self-managed-high-availability: "true"
+    workload.openshift.io/allowed: "management"