fix: remove 67 stale gitlink submodule entries + add severity to base… #61

Job	Run time
governance / Language / package anti-pattern policy	39s
governance / Well-Known (RFC 9116 + RSR)	6s
governance / Licence consistency	8s
governance / Code quality + docs	26s
governance / Validate Hypatia baseline	7s
governance / Workflow security linter	6s
governance / Trusted-base reduction policy	12s
governance / Security policy checks	8s
governance / Guix primary / Nix fallback policy	6s
	1m 58s

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