Use pipeline-library to automatically publish docker image

[dduportal]

• [x] Apply https://github.com/jenkins-infra/pipeline-library/blob/master/resources/io/jenkins/infra/docker/README.adoc
• [x] Add repository to infra.ci (either rename it as docker-account-app or amend infra.ci's config )
  • [-] https://github.com/jenkins-infra/kubernetes-management/pull/3031
• ~[ ] Migrate Jenkinsfile to Jenkinsfile_k8s~ Not neede anymore
• [x] Remove job from trusted.ci.jenkins.io

[dduportal]

Recent PRs which are allowing this: #112 #114 #120 #121 #122 #125 (and #105 even if not merged: it paved the way).

[dduportal]

First build https://infra.ci.jenkins.io/job/docker-jobs/job/ircbot/job/main/1/ failed at the deployment stage.

Had to fix permissions on Docker hub (allowing the technical user to read/write the ircbot) image.

2nd build in progress.

[dduportal]

2nd build deployed successfully \o/

Any tag created on the repo should trigger the build with the correct docker image tag (as soon as the tag is less than 3 days old if not annotated)