Create/delete/update commands for OpenShift Pipelines (Tekton) resources fail with error 'Internal error occurred: failed calling webhook \"config.webhook.pipeline.tekton.dev\": [...] service \"tekton-pipelines-webhook\" not found"'

Issue

• Any oc command to create/delete/update a OpenShift Pipelines (Tekton) resource (Task, TaskRun, Pipeline, PipelineRun, Trigger, etc ...) fails with error: Internal error occurred: failed calling webhook \"config.webhook.pipeline.tekton.dev\": [...] service \"tekton-pipelines-webhook\" not found"
• Any tkn <tekton-resource> <verb> command fails with errorError: failed to <verb> <tekton-resource> from namespace <namespace>: no matches for tekton.dev/, Resource=<tekton-resource>