Bump kotlin.version from 1.4.32 to 1.5.0 (#555)
Bump kotlin.version from 1.4.32 to 1.5.0 (#555)

Bumps `kotlin.version` from 1.4.32 to 1.5.0.

Updates `kotlin-bom` from 1.4.32 to 1.5.0
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/commits)

Updates `kotlin-maven-plugin` from 1.4.32 to 1.5.0

Updates `kotlin-stdlib-jdk8` from 1.4.32 to 1.5.0
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/commits)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
zalando/tracer,zalando/tracer