Update Jenkins core and plugins: 2022Q3 edition

Last time: #17894 (closed)

Preparation

• Go through the changelog, paying attention to changes on how agents connect to controller, config changes that may need update, important changes in plugins, etc.
  • Current version: 2.346.1
  • Available version: 2.361.2
• Upgrade the postbuildscript plugin, which needs a fix in Job definitions -- tails#19051 (moved)

Deployment

• Deploy Jenkins upgrade to latest version available
• Use the Groovy and Python3 scripts to generate a list of up-to-date plugins
• Deploy plugins upgrades
• Restart all agents.
• Manually run the Update jobs script (may be needed so XML is valid with current Jenkins):

  sudo -u jenkins /usr/local/sbin/deploy_jenkins_jobs update

Wrap up

• Go through warnings in Jenkins interface.
• Manually remove uneeded plugins from /var/lib/jenkins/plugins.
• Restart builds that were interrupted by Jenkins restart.
• Schedule next update. → Update Jenkins core and plugins (2023Q1 edition) (#17969 - closed)

Leftover warnings:

• global-build-stats plugin 244.v27c8a_2e50a_34 Stored XSS vulnerability: There's no newer version for this plugin for now and the previous one is from 5y ago.