v5.1.8

What’s Changed

• Adopt JDKS' SourceVersion to improve which keywords get sanitized (#267, #259) @berngp
• Upgrade kotlinpoet 1.10.+ (#259) @berngp

Other Changes

• Allow SDKMan users to set the project required SDK. (#265) @berngp
• Fix warnings, use more idiomatic constructs (#261) @kilink
• Test against different Gradle Versions (#264) @berngp
• Bump kotlin-compiler to 1.5.31 (#260) @kilink
• Get tests passing in JDK 17 (#263) @kilink
• Fix ci.yml script (#262) @berngp