Bump com.diffplug.spotless:spotless-plugin-gradle in /gradle/plugins

Bumps [com.diffplug.spotless:spotless-plugin-gradle](https://github.com/diffplug/spotless) from 6.25.0 to 7.0.2.
- [Release notes](https://github.com/diffplug/spotless/releases)
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@gradle/6.25.0...gradle/7.0.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

gradle/plugins/build.gradle.kts

@@ -4,7 +4,7 @@ repositories { gradlePluginPortal() }
 
 dependencies {
     implementation("com.autonomousapps:dependency-analysis-gradle-plugin:2.5.0")
-    implementation("com.diffplug.spotless:spotless-plugin-gradle:6.25.0")
+    implementation("com.diffplug.spotless:spotless-plugin-gradle:7.0.2")
     implementation("com.gradle:develocity-gradle-plugin:3.18.2")
     implementation("io.fuchs.gradle.classpath-collision-detector:classpath-collision-detector:1.0.0")
     implementation("org.cyclonedx:cyclonedx-gradle-plugin:1.10.0")