Prepare k8s release docs #391

Job	Run time
extra-args	1s
build-all-charms (./charms/worker/) / Build and push charms	2m 57s
build-all-charms (./charms/worker/k8s/) / Build and push charms	3m 5s
integration-tests (k8s) / Get runner image / Get runner image	7s
integration-tests (etcd) / Get runner image / Get runner image	10s
integration-tests (k8s) / Build and push charm	47s
integration-tests (k8s) / Build rock / Get rocks	10s
integration-tests (k8s) / Build image / Get images	7s
integration-tests (etcd) / Build and push charm	45s
integration-tests (etcd) / Build image / Get images	10s
integration-tests (etcd) / Build rock / Get rocks	9s
integration-tests (k8s) / Build image / Build image	0s
integration-tests (k8s) / Build rock / Build rock	0s
integration-tests (k8s) / Get rocks or Docker images	1s
integration-tests (etcd) / Build rock / Build rock	0s
integration-tests (etcd) / Build image / Build image	0s
integration-tests (etcd) / Get rocks or Docker images	1s
integration-tests (k8s) / Integration tests / Integration tests	35m 3s
integration-tests (etcd) / Integration tests / Integration tests	16m 11s
integration-tests (etcd) / Required Integration Test Status Checks	1s
integration-tests (k8s) / Required Integration Test Status Checks	3s
	59m 48s

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