core: bump kotlin from 2.2.21 to 2.3.0 in /core#14533

Khoyo merged 1 commit intodevOpenRailAssociation/osrd:devfrom

dependabot/gradle/core/kotlin-2.3.0OpenRailAssociation/osrd:dependabot/gradle/core/kotlin-2.3.0Copy head branch name to clipboard