Bump kotlin.version from 2.0.21 to 2.1.20#1026

jjjasper merged 2 commits intomainBackbase/backbase-openapi-tools:mainfrom

dependabot/maven/kotlin.version-2.1.20Backbase/backbase-openapi-tools:dependabot/maven/kotlin.version-2.1.20Copy head branch name to clipboard