Build(deps): Bump com.diffplug.spotless from 6.12.1 to 6.25.0

Bumps com.diffplug.spotless from 6.12.1 to 6.25.0.

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

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

Author: dependabot[bot]

build.gradle

@@ -18,7 +18,7 @@ plugins {
     id "idea"
     id "org.scoverage" version "8.1" apply false
     id "org.sonarqube" version "3.4.0.2513"
-    id "com.diffplug.spotless" version "6.12.1" apply false
+    id "com.diffplug.spotless" version "6.25.0" apply false
     id "org.nosphere.apache.rat" version "0.8.1"
     id "com.github.maiflai.scalatest" version "0.32" apply false
     id "com.github.johnrengelman.shadow" version "8.1.1" apply false