chore(ci): replace scorecard.yml with reusable wrapper (#32) #29

Job	Run time
governance / Validate Hypatia baseline	4s
governance / Language / package anti-pattern policy	12s
governance / Workflow security linter	5s
governance / Guix primary / Nix fallback policy	3s
governance / Well-Known (RFC 9116 + RSR)	5s
governance / Trusted-base reduction policy	7s
governance / Security policy checks	4s
governance / Code quality + docs	9s
	49s

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