Bump com.diffplug.spotless:spotless-plugin-gradle from 6.25.0 to 7.0.0

Bumps [com.diffplug.spotless:spotless-plugin-gradle](https://github.com/diffplug/spotless) from 6.25.0 to 7.0.0.
- [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/7.0.0)

---
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]>

buildSrc/build.gradle.kts

@@ -10,5 +10,5 @@ repositories {
 
 dependencies {
     implementation(kotlin("gradle-plugin"))
-    implementation("com.diffplug.spotless:spotless-plugin-gradle:6.25.0")
+    implementation("com.diffplug.spotless:spotless-plugin-gradle:7.0.0")
 }