fix typo in namespace-lister NetworkPolicy in prod (#7280)

promoting #7039 to production

Signed-off-by: Francesco Ilario <[email protected]>

Author: filariow

components/namespace-lister/production/base/network_policy_allow_from_konfluxui.yaml

@@ -14,7 +14,7 @@ spec:
     - podSelector:
         matchLabels:
           app: proxy
-    - namespaceSelector:
+      namespaceSelector:
         matchLabels:
           kubernetes.io/metadata.name: konflux-ui
     ports: