Merge pull request #96 from navikt/dependabot/gradle/kotlinVersion-1.8.21

Bump kotlinVersion from 1.8.20 to 1.8.21

Author: flexable777

build.gradle.kts

@@ -5,7 +5,7 @@ val logstashVersion = "7.3"
 val testContainersVersion = "1.18.0"
 val springDocVersion = "2.1.0"
 val tokenValidationVersion = "3.0.11"
-val kotlinVersion = "1.8.20"
+val kotlinVersion = "1.8.21"
 
 repositories {
     mavenCentral()