forked from loafle/openapi-generator-original
* [Kotlin Server] Update Ktor to latest version; move config to kts * Bump gradle version for kotlin server samples * Replace deprecated gradle API * Bump gradle to 7.6.4
* [Kotlin Server] Update Ktor to latest version; move config to kts * Bump gradle version for kotlin server samples * Replace deprecated gradle API * Bump gradle to 7.6.4