Reduce line length to <=120 in YAML files where feasible #1314

Job	Run time
run-determination	1s
check-errors (./)	31s
check-outdated (./)	21s
check-errors (docsgen)	38s
check-outdated (docsgen)	14s
check-errors (ruledocsgen)	33s
check-style (./)	24s
check-outdated (ruledocsgen)	18s
check-style (docsgen)	28s
check-style (ruledocsgen)	17s
check-config (./)	20s
check-config (docsgen)	21s
check-formatting (./)	13s
check-config (ruledocsgen)	19s
check-formatting (docsgen)	20s
check-formatting (ruledocsgen)	13s
	5m 31s

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