Fixing egress network policy labels
This MR fixes label selectors for ingress host to allow running notebooks to reach Hub in the cluster.
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"Kamarati, ti sa nesmu nikdy spolu bit,
kamarati musia tahat za spolocnu nit,
poziciavaju si knizky, rozdelia sa o gulicky,
vedia jak dve ceresnicky vedla seba zit."
-- Bambulka
This MR fixes label selectors for ingress host to allow running notebooks to reach Hub in the cluster.