* Update to Gradle 8.3, and update all other deps.
* Fix tests
* Lazily download decompilers, generate version constants to ensure they are synced between the build and Gradle.
Each decompiler has a configuration, this allows the version to be changed at a later date if needed.
* Fix typo :)
* Oh so many versions
* Gradle 7 part 1
* Fix actions?
* Update actions
* Fix tests not running
* Fix some broken tests
* Update kotlin to try and fix JDK 16 support
* Disable KotlinTest on j16
* exclude kotlin test from actions...