Gradle 9 update, use java 17 toolchain

Basic cleanup of Clazz and ClassPool

Properly initialize type alias references for stdlib aliases

Update version to 9.3.3

Fix typo in release note

Fix release note quotations

Prepare release for java 26

Update kotest to 6.1.4, address API changes

Improve CommonTerminals

Allow referencedClass to be provided in ClassBuilder#addAndReturnField

Do not model null classes in `ClassModel`

Add ClassModel name property

Support java 26

Change ContextReceiver/Parameter test to BehaviorSpec

Support Kotlin 2.3 (#160)