v1.2.3-hotfix-20241101

What's Changed

• fix vector free panic(1.2.3-tmp-shulian) by @zengyan1 in #19680
• Fix alter table column null property-shulian by @qingxinhome in #19688
• fix decimal output by @daviszhen in #19643
• cherry-pick: fix select version by @daviszhen in #19695
• fix decimal panic(1.2.3-shulian) by @zengyan1 in #19716

Full Changelog: v1.2.3-hotfix-20240916...v1.2.3-hotfix-20241101