add verify=false since we use self signed cert in tests (#2481)

Co-authored-by: Michał Krassowski <5832902+krassowski@users.noreply.github.com>

tests/tests_deployment/utils.py

@@ -37,6 +37,7 @@ def get_jupyterhub_token(note="jupyterhub-tests-deployment"):
         f"https://{constants.NEBARI_HOSTNAME}/hub/api/users/{constants.KEYCLOAK_USERNAME}/tokens",
         headers=headers,
         json=data,
+        verify=False,
     )
 
     return r.json()["token"]