add jonburdo to approvers list #6586

Job	Run time
lint	25s
E2E Py 3.12 K8s v1.33.7 DB db	5m 18s
Check autogenerated code is in sync (3.12, 20)	41s
mypy	38s
Catalog E2E	2m 56s
E2E Py 3.12 K8s v1.33.7 DB postgres	4m 56s
docs-build	47s
E2E Py 3.11 K8s v1.33.7 DB db	5m 19s
E2E Py 3.10 K8s v1.33.7 DB db	5m 34s
	26m 34s

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