V1.12.8

Big thanks to @aSemy, @qoomon and @kubode for investigating and fixing the bugs introduced in v1.12.7 and further improving the library!

What's Changed

• fix: handle isValue exceptions by @qoomon in #890
• Fix Android Instrumentation dispatcher.jar inclusion by @aSemy in #899
• Standardise JVM target to be 1.8 by @aSemy in #900
• introduce Kotlinx Benchmark tests (copied from #763) by @aSemy in #904
• try reverting Android minSdk to 21 by @aSemy in #901
• expose more mockk projects as API dependencies by @aSemy in #905
• make Java source code target jvm 8 by @aSemy in #907
• Fix an issue that Android Instrumentation Test fails by @kubode in #895
• use the official Gradle GHA by @aSemy in #914
• De-duplicate ValueClassSupport by @aSemy in #913
• add 1.7.20-RC to test matrix by @aSemy in #918

Full Changelog: 1.12.7...v1.12.8