Jetty 13.0.x and Jakarta EE 12

**Jetty version(s)**
12.1.x & 13.0.x

**Jetty Environment**
ee10, ee11, ee12

**Description**
This is an umbrella issue for other issues related to the Jakarta EE 12 implementation in Jetty 13.0.x.

This is an umbrella issue for Jakarta EE 12 work in Jetty 13.0.x, with no files, tests, or entry points named. Start by reviewing the related issues that define the individual implementation tasks across the ee10, ee11, and ee12 environments; completion depends on the scope of those child issues rather than this issue alone.

Written by the indexing model from the issue text.