Tidy dependent modules to reflect `github.com/stretchr/testify` bump #1718

Job	Run time
run-determination	3s
check-outdated (ruledocsgen)	17s
check-outdated (./)	19s
check-style (./)	26s
check-errors (ruledocsgen)	45s
check-errors (docsgen)	49s
check-outdated (docsgen)	15s
check-config (docsgen)	30s
check-formatting (./)	22s
check-errors (./)	51s
check-style (docsgen)	29s
check-config (./)	25s
check-config (ruledocsgen)	19s
check-style (ruledocsgen)	25s
check-formatting (docsgen)	21s
check-formatting (ruledocsgen)	18s
	6m 54s

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