[s390x]: add s390x specific prow job config for release-1.14

[dilipgb]

Fixes: This PR is to update cron job config for s390x specific jobs for release-1.13.

[dilipgb]

@upodroid can you please help me to review this PR. PR updates the release1.14 related prow jobs for s390x.

[upodroid]

Thanks

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dilipgb, upodroid

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[knative-prow]

@dilipgb: Updated the job-config configmap in namespace default at cluster default using the following files:

• key eventing-kafka-broker-release-1.14.gen.yaml using file prow/jobs/generated/knative-extensions/eventing-kafka-broker-release-1.14.gen.yaml
• key eventing-kafka-release-1.12.gen.yaml using file prow/jobs/generated/knative-extensions/eventing-kafka-release-1.12.gen.yaml
• key eventing-kafka-release-1.13.gen.yaml using file prow/jobs/generated/knative-extensions/eventing-kafka-release-1.13.gen.yaml
• key kn-plugin-event-release-1.14.gen.yaml using file prow/jobs/generated/knative-extensions/kn-plugin-event-release-1.14.gen.yaml
• key client-release-1.13.gen.yaml using file prow/jobs/generated/knative/client-release-1.13.gen.yaml
• key client-release-1.14.gen.yaml using file prow/jobs/generated/knative/client-release-1.14.gen.yaml
• key eventing-release-1.13.gen.yaml using file prow/jobs/generated/knative/eventing-release-1.13.gen.yaml
• key eventing-release-1.14.gen.yaml using file prow/jobs/generated/knative/eventing-release-1.14.gen.yaml
• key operator-release-1.13.gen.yaml using file prow/jobs/generated/knative/operator-release-1.13.gen.yaml
• key operator-release-1.14.gen.yaml using file prow/jobs/generated/knative/operator-release-1.14.gen.yaml
• key serving-release-1.13.gen.yaml using file prow/jobs/generated/knative/serving-release-1.13.gen.yaml
• key serving-release-1.14.gen.yaml using file prow/jobs/generated/knative/serving-release-1.14.gen.yaml

In response to this:

Fixes: This PR is to update cron job config for s390x specific jobs for release-1.13.

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