Update Kotest version to 6.1.4 in gradle.properties files

Author: sksamuel

jvm/gradle.properties

@@ -10,6 +10,6 @@ ver_OKIO=3.16.0
 ver_KOTLIN_TEST=2.0.0
 ver_KOTLIN_SERIALIZATION=1.9.0
 # Kotest 6.0.0 is the oldest that we support
-ver_KOTEST=6.1.0
+ver_KOTEST=6.1.4
 
 ver_JVM_TARGET=11

jvm/undertest-junit5-kotest/harness/gradle.properties

@@ -9,4 +9,4 @@ ver_JUNIT_PIONEER=2.2.0
 ver_OKIO=3.7.0
 ver_KOTLIN_TEST=1.9.22
 ver_KOTLIN_SERIALIZATION=1.6.3
-ver_KOTEST=6.1.1
+ver_KOTEST=6.1.4