feat: add certificate support #1052

Job	Run time
Collect changes / collect-changes	10s
Python tests / lint-and-format-check	42s
Python tests / types-check	1m 21s
Python tests / unit-tests (py313)	3m 38s
Python tests / unit-tests (py310)	2m 48s
Python tests / unit-tests (py39)	3m 3s
Python tests / unit-tests (py312)	7m 41s
Python tests / unit-tests (py311)	2m 57s
status-check	4s
	22m 24s

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