v4.0.0-rc.2

What's Changed

• feat: add iso workflow by @redscholar in #2765
• fix: add ubuntu 2404 by @redscholar in #2766
• fix: add condition to check download_image in playbooks and tasks by @redscholar in #2769
• feat : change iso installer by @zuoxuesong-worker in #2768
• bugfix: fix some system id error by @zuoxuesong-worker in #2770
• feat : add issue 6787 by @zuoxuesong-worker in #2764
• bugfix: fix ssh check with wrong local key check by @zuoxuesong-worker in #2772
• feat: add None in gen_cert.policy by @redscholar in #2773

Full Changelog: v4.0.0-rc.1...v4.0.0-rc.2