[release-v1.15] Update Konflux configurations (#1302)

* Generate dockerfiles with "./openshift/scripts/generate-dockerfiles.sh"

* [release-v1.15] Sync Konflux configurations

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Co-authored-by: serverless-qe <serverless-support@redhat.com>
Co-authored-by: Christoph Stäbler <cstabler@redhat.com>

Author: 3 people