Add cronjob and apiserver source list commands

[navidshaikh]

/lint

Proposed Changes

• - Add kn source cronjob list
• - Tests for kn source cronjob list
• - Add kn source apiserver list
• - Tests for kn source apiserver list

kn source cronjob list
NAME              SCHEDULE      SINK        CONDITIONS   READY   REASON
my-cron-trigger   * * * * */1   svc:mysvc   6 OK / 6     True    

kn source apiserver list -A                                                                       
NAMESPACE   NAME        RESOURCES        SINK        CONDITIONS   READY   REASON
default     k8sevents   Event:v1:false   svc:mysvc   5 OK / 5     True 

[knative-prow-robot]

@navidshaikh: 1 warning.

In response to this:

/lint

Proposed Changes

• - Add kn source cronjob list
• - Tests for kn source cronjob list
• - Add kn source apiserver list
• - Tests for kn source apiserver list

kn source cronjob list
NAME              SCHEDULE      SINK        CONDITIONS   READY   REASON
my-cron-trigger   * * * * */1   svc:mysvc   6 OK / 6     True    

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[knative-metrics-robot]

The following is the coverage report on the affected files.
Say /test pull-knative-client-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/eventing/sources/v1alpha1/apiserver_client.go	100.0%	93.0%	-7.0
pkg/eventing/sources/v1alpha1/apiserver_client_mock.go	89.5%	77.3%	-12.2
pkg/eventing/sources/v1alpha1/cronjob_client.go	100.0%	91.7%	-8.3
pkg/eventing/sources/v1alpha1/cronjob_client_mock.go	89.5%	77.3%	-12.2
pkg/kn/commands/source/apiserver/apiserver.go	57.1%	59.1%	1.9
pkg/kn/commands/source/apiserver/flags.go	95.2%	68.1%	-27.1
pkg/kn/commands/source/apiserver/list.go	Do not exist	78.3%
pkg/kn/commands/source/cronjob/cronjob.go	57.1%	59.1%	1.9
pkg/kn/commands/source/cronjob/flags.go	100.0%	56.2%	-43.8
pkg/kn/commands/source/cronjob/list.go	Do not exist	78.3%

[rhuss]

thanks !

/lgtm

[knative-prow-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: navidshaikh, rhuss

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• OWNERS [navidshaikh,rhuss]

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