Bump com.diffplug.spotless from 6.6.1 to 6.7.0

Bumps com.diffplug.spotless from 6.6.1 to 6.7.0.

---
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]

settings.gradle

@@ -12,7 +12,7 @@ pluginManagement {
         id 'com.github.johnrengelman.shadow' version "7.1.2" apply false
         id 'com.apollographql.apollo3' version "3.3.0" apply false
         id 'org.mikeneck.graalvm-native-image' version "1.4.1" apply false
-        id 'com.diffplug.spotless' version '6.6.1' apply false
+        id 'com.diffplug.spotless' version '6.7.0' apply false
     }
 }