* Add details from 5.3.6
* Add dependencies for 5.4.0 so-far
* Update CI to use install target
Using package was missing some lifecycle steps.
* Rollback checkstyle to 8.20 - to fix build
* Convert RuleSource from enum to configuration file
* Split out sevntu plugin version - has own lifecycle
* Upgrade sevntu from 1.35.0 to 1.37.1
* Tweak to use java version where ide can see it
* Upgrade checkstyle back to 8.29 and disable sevntu rules
The sevntu rules are incompatible with checkstyle 8.21+
