Add probes to IntegrationSource & -Sink deployments #7018

Job	Run time
Unit Test (eventing-ceph, knative-extensions)	5m 12s
Unit Test (eventing-github, knative-extensions)	5m 55s
Unit Test (eventing-rabbitmq, knative-extensions)	7m 40s
Unit Test (eventing-kafka-broker, knative-extensions)	9m 37s
Unit Test (eventing-gitlab, knative-extensions)	5m 44s
Unit Test (eventing-autoscaler-keda, knative-extensions)	4m 51s
	38m 59s

Provide feedback