chore(ci): replace scorecard.yml with reusable wrapper #16

Job	Run time
governance / Language / package anti-pattern policy	37s
governance / Guix primary / Nix fallback policy	4s
governance / Well-Known (RFC 9116 + RSR)	3s
governance / Security policy checks	4s
governance / Validate Hypatia baseline	5s
governance / Workflow security linter	6s
governance / Code quality + docs	12s
	1m 11s

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