bump test dependencies and Gradle Plugin Publisher (#10)

Author: aSemy

gradle/libs.versions.toml

@@ -3,11 +3,11 @@
 kotlinGradle = "1.6.0"
 
 javaDiffUtils = "4.12"
-junit = "5.9.2"
-kotest = "5.5.5"
+junit = "5.9.3"
+kotest = "5.6.1"
 kotlinx-bcv = "0.13.1"
 
-gradlePluginPublishPlugin = "1.1.0"
+gradlePluginPublishPlugin = "1.2.0"
 shadowPlugin = "8.1.0"
 bcvMu = "0.0.3"