Tidy dependent modules to reflect `github.com/go-git/go-git` bump #1391

Job	Run time
run-determination	1s
check-errors (./)	38s
check-formatting (./)	14s
check-errors (docsgen)	41s
check-formatting (docsgen)	12s
check-errors (ruledocsgen)	32s
check-formatting (ruledocsgen)	9s
check-outdated (./)	9s
check-outdated (docsgen)	7s
check-outdated (ruledocsgen)	13s
check-config (./)	17s
check-style (./)	20s
check-config (docsgen)	16s
check-style (docsgen)	25s
check-config (ruledocsgen)	12s
check-style (ruledocsgen)	18s
	4m 44s

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