fix: lower minimum score threshold for completeness validation #51

Job	Run time
integration (none, json, dummy)	13s
integration (none, xml, dummy)	14s
integration (repo-basic, xml, online)	18s
integration (repo-basic, json, online)	15s
integration (repo-10, json, online)	16s
integration (repo-10, xml, online)	25s
	1m 41s

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