Bump kotlin-bom from 1.5.20-RC to 1.5.20
Bump kotlin-bom from 1.5.20-RC to 1.5.20

Bumps [kotlin-bom](https://github.com/JetBrains/kotlin) from 1.5.20-RC to 1.5.20.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v1.5.20/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/compare/v1.5.20-RC...v1.5.20)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
Hack23/cia,Hack23/cia,Hack23/cia,Hack23/cia