Bump github.com/go-git/go-git/v5 from 5.7.0 to 5.12.0 #1389

Job	Run time
run-determination	1s
check-config (./)	23s
check-errors (./)	37s
check-config (docsgen)	19s
check-errors (docsgen)	11s
check-errors (ruledocsgen)	12s
check-config (ruledocsgen)	16s
check-formatting (./)	9s
check-outdated (./)	13s
check-formatting (docsgen)	11s
check-outdated (docsgen)	12s
check-formatting (ruledocsgen)	13s
check-style (./)	21s
check-outdated (ruledocsgen)	9s
check-style (docsgen)	26s
check-style (ruledocsgen)	27s
	4m 20s

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