chore(deps): update dependency io.kotest:kotest-runner-junit5-jvm to v6

Author: renovate[bot]

buildSrc/build.gradle.kts

@@ -8,5 +8,5 @@ repositories {
 
 dependencies {
     implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:2.1.0")
-    testImplementation("io.kotest:kotest-runner-junit5-jvm:5.9.1")
+    testImplementation("io.kotest:kotest-runner-junit5-jvm:6.1.1")
 }