2.472

This is an automatically generated changelog draft for Jenkins weekly releases.
See https://www.jenkins.io/changelog/2.472/ for the official changelog for this release.

🚀 New features and improvements

• JENKINS-73563 - Create a jenkins-button instead of a YUI button in makeButton (#9604) @mawinter69
• JENKINS-73130 - Upgrade core from Jetty 10.x to 12.x (EE 8) (#9590) @basil
• Modernise project relationship page (#9461) @timja
• JENKINS-73495 - Clarify the plugin incompatibility message (#9502) @MarkEWaite

🐛 Bug fixes

• JENKINS-73554 - fix jelly exception (#9519) @mawinter69
• JENKINS-73586 - Fix New Item page layout if no icon is defined for an item type (#9520) @scherler

✍ Other changes

• JENKINS-73499 - Add a warning if there is a risk of exposing credentials through a non-TLS proxy connection (#9491) @jmdesprez

All contributors: @MarkEWaite, @basil, @daniel-beck, @dependabot, @dependabot[bot], @jenkins-release-bot, @jmdesprez, @mawinter69, @renovate, @renovate[bot], @scherler and @timja