Bump com.diffplug.spotless:spotless-plugin-gradle from 6.15.0 to 6.25.0

Bumps [com.diffplug.spotless:spotless-plugin-gradle](https://github.com/diffplug/spotless) from 6.15.0 to 6.25.0.
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@gradle/6.15.0...gradle/6.25.0)

---
updated-dependencies:
- dependency-name: com.diffplug.spotless:spotless-plugin-gradle
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

gradle/libs.versions.toml

@@ -17,7 +17,7 @@ equalsverifier = { module = "nl.jqno.equalsverifier:equalsverifier", version.ref
 bytebuddy = { module = "net.bytebuddy:byte-buddy", version.ref = "bytebuddy" }
 bytebuddyAgent = { module = "net.bytebuddy:byte-buddy-agent", version.ref = "bytebuddy" }
 # can't update to latest because its writing to illegal places on jenkins
-gradle-spotless = { module = "com.diffplug.spotless:spotless-plugin-gradle", version = "6.15.0" }
+gradle-spotless = { module = "com.diffplug.spotless:spotless-plugin-gradle", version = "6.25.0" }
 gradle-enterprise = { module = "com.gradle:gradle-enterprise-gradle-plugin", version = "3.16" }
 gradle-commonCustomUserData = { module = "com.gradle:common-custom-user-data-gradle-plugin", version = "1.11" }
 maven-core = { module = "org.apache.maven:maven-core", version.ref = "maven" }