Bump com.diffplug.spotless from 6.25.0 to 7.0.0

Bumps com.diffplug.spotless from 6.25.0 to 7.0.0.

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

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

build.gradle

@@ -1,5 +1,5 @@
 plugins {
-    id 'com.diffplug.spotless' version '6.25.0' apply false
+    id 'com.diffplug.spotless' version '7.0.0' apply false
     id 'info.solidsoft.pitest' version '1.15.0' apply false
     id 'io.github.gradle-nexus.publish-plugin' version '2.0.0'
     id 'me.champeau.jmh' version '0.7.2' apply false