Bump com.diffplug.spotless:spotless-plugin-gradle to 6.25.0

Closes gh-4703

gradle/libs.versions.toml

@@ -197,7 +197,7 @@ plugin-nexusPublish = { module = "io.github.gradle-nexus:publish-plugin", versio
 plugin-javaformat = { module = "io.spring.javaformat:spring-javaformat-gradle-plugin", version.ref = "spring-javaformat" }
 plugin-japicmp = { module = "me.champeau.gradle:japicmp-gradle-plugin", version = "0.4.2" }
 plugin-downloadTask = { module = "de.undercouch:gradle-download-task", version = "5.5.0" }
-plugin-spotless = { module = "com.diffplug.spotless:spotless-plugin-gradle", version = "6.22.0" }
+plugin-spotless = { module = "com.diffplug.spotless:spotless-plugin-gradle", version = "6.25.0" }
 
 [plugins]
 kotlin19 = { id = "org.jetbrains.kotlin.jvm", version = "1.9.22" }