feat: add production deployment stage

[lemeurherve]

This PR adds a production deployment stage to the pipeline (publication from infra.ci.jenkins.io).

Closes https://github.com/jenkins-infra/stats.jenkins.io/issues/42

Needs:

• https://github.com/jenkins-infra/kubernetes-management/pull/5334

Ref:

• https://github.com/jenkins-infra/helpdesk/issues/4132#issuecomment-2167717401