chore(ci): add dormant push-email notification workflow (#30) #38

Job	Run time
governance / Trusted-base reduction policy	9m 37s
governance / Check Workflow Staleness	9m 37s
governance / Well-Known (RFC 9116 + RSR)	9m 37s
governance / Language / package anti-pattern policy	9m 37s
governance / Guix primary / Nix fallback policy	9m 37s
governance / Code quality + docs	9m 37s
governance / Security policy checks	9m 37s
governance / Workflow security linter	9m 37s
governance / Licence consistency	9m 37s
governance / Validate Hypatia Baseline	1s
	1h 26m 34s

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