[Auto] Update prow jobs for release branches

[knative-prow-updater-robot]

PR created for syncing Prow jobs for release branches changes

Produced by: release-jobs-syncer

[knative-prow[bot]]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[knative-prow[bot]]

@knative-prow-updater-robot: Updated the job-config configmap in namespace default at cluster default using the following files:

• key eventing-kafka-broker-release-1.12.gen.yaml using file ``
• key eventing-kafka-broker-release-1.14.gen.yaml using file prow/jobs/generated/knative-extensions/eventing-kafka-broker-release-1.14.gen.yaml

In response to [this](https://github.com/knative/infra/pull/424): >PR created for syncing Prow jobs for release branches changes > >Produced by: release-jobs-syncer Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.