lint: handle multiline jinja2 code #8630

Job	Run time
1/4	14m 38s
2/4	12m 49s
3/4	14m 37s
4/4	14m 13s
py-3-latest	21m 8s
flaky	6m 53s
_remote_background_indep_poll	5m 11s
_remote_background_indep_tcp	7m 7s
macos 1/5	17m 13s
macos 2/5	19m 35s
codecov	8s
	2h 13m 32s

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