add jonburdo to hub team (#889)

see https://github.com/kubeflow/model-registry/blame/674cb84b5ed76458a8d538e537be1f77dfab9aab/OWNERS#L5

Signed-off-by: tarilabs <[email protected]>

Author: tarilabs

github-orgs/kubeflow/org.yaml

@@ -804,6 +804,7 @@ orgs:
             members:
             - Al-Pragliola
             - ederign
+            - jonburdo
             - pboyd
             - rareddy
             - tarilabs