docs: seed CHANGELOG.md (Keep-a-Changelog format) (#91) #49

Job	Run time
governance / Validate Hypatia baseline	7s
governance / Guix primary / Nix fallback policy	7s
governance / Code quality + docs	25s
governance / Trusted-base reduction policy	13s
governance / Well-Known (RFC 9116 + RSR)	6s
governance / Language / package anti-pattern policy	14s
governance / Workflow security linter	8s
governance / Security policy checks	7s
	1m 27s

Provide feedback