Allow specifying service env variables #228

Job	Run time
Python lint	12s
Test Branch Management	46s
Go lint and unit tests / Unit Tests & Code Quality	7m 32s
Go lint and unit tests / Binaries	5m 34s
Build k8s-snap / Build snap	14m 6s
Build k8s-snap moonray / Build snap	14m 44s
Get e2e test tags	3s
Security scan / Security scan	33s
Test ubuntu:24.04 / Integration Test ubuntu:24.04 amd64 k8s.snap	32m 28s
Test ubuntu:22.04 / Integration Test ubuntu:22.04 amd64 k8s.snap	31m 45s
Test ubuntu:20.04 / Integration Test ubuntu:20.04 amd64 k8s.snap	34m 12s
Test informing ubuntu:24.04 moonray / Integration Test ubuntu:24.04 amd64 k8s-moonray.snap	28m 43s
	2h 50m 38s

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