Bump com.diffplug.spotless:spotless-plugin-gradle from 6.22.0 to 6.25.0 (#88)

Bumps [com.diffplug.spotless:spotless-plugin-gradle](https://github.com/diffplug/spotless) from 6.22.0 to 6.25.0.
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@gradle/6.22.0...gradle/6.25.0)

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

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Author: dependabot[bot]

build.gradle

@@ -3,7 +3,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.diffplug.spotless:spotless-plugin-gradle:6.22.0'
+        classpath 'com.diffplug.spotless:spotless-plugin-gradle:6.25.0'
     }
 }