Update plugin spotless to v6.19.0

gradle/libs.versions.toml

@@ -10,7 +10,7 @@ kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
 nexus-publish = { id = "io.github.gradle-nexus.publish-plugin", version = "1.3.0" }
 shadow = { id = "com.github.johnrengelman.shadow", version = "8.1.1" }
-spotless = { id = "com.diffplug.spotless", version = "6.18.0" }
+spotless = { id = "com.diffplug.spotless", version = "6.19.0" }
 
 [libraries]
 junit = "org.junit.jupiter:junit-jupiter:5.9.3"