Implement `reconcile` pattern #69

Job	Run time
build-all-charms (./charms/k8s/) / Build and push charms	2m 13s
build-all-charms (./charms/k8s-worker/) / Build and push charms	2m 8s
integration-tests / Get runner image / Get runner image	1s
integration-tests / Build and push charm	1s
integration-tests / Get rocks or Docker images	1s
integration-tests / Required Integration Test Status Checks	1s
	4m 25s

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