chore(deps): update plugin com.diffplug.spotless to v7

Author: renovate[bot]

settings.gradle.kts

@@ -17,7 +17,7 @@ pluginManagement {
         id("org.openapi.generator") version "7.6.0"
         id("com.bmuschko.docker-remote-api") version "9.4.0"
         id("org.flywaydb.flyway") version flywayVersion
-        id("com.diffplug.spotless") version "6.25.0"
+        id("com.diffplug.spotless") version "7.0.0"
 
         // For the DBT module, which doesn't use the spring boot jar
         id("com.github.johnrengelman.shadow") version "8.1.1"