v2.4.0

This release includes the following improvements:

• Update gradlew scrip to use Gradle 7.6 which includes support up to Java 19 (#147)
• Support for generating recursive structures (#127)

This release also includes the following fixes:

• Improve test execution (#127)
• Fix bug generating bitset and bitmask (#127)
• Fix maximum size calculation for structures (#150)
• Fix key serialization (#150)

PRs in merge order:
#147, #127, #150