Bump kotlin.version from 1.3.10 to 1.3.20 (#100)
Bump kotlin.version from 1.3.10 to 1.3.20 (#100)

Bumps `kotlin.version` from 1.3.10 to 1.3.20.

Updates `kotlin-stdlib` from 1.3.10 to 1.3.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/compare/v1.3.10...v1.3.20)

Updates `kotlin-maven-plugin` from 1.3.10 to 1.3.20

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
mirkosertic/Bytecoder,mirkosertic/Bytecoder,mirkosertic/Bytecoder,mirkosertic/Bytecoder,mirkosertic/Bytecoder,mirkosertic/Bytecoder