Update plugin com.diffplug.spotless to v7.1.0 (#187)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

settings.gradle.kts

@@ -24,7 +24,7 @@ dependencyResolutionManagement {
     versionCatalogs {
         create("libs") {
             // plugins
-            plugin("spotless", "com.diffplug.spotless").version("7.0.4")
+            plugin("spotless", "com.diffplug.spotless").version("7.1.0")
             plugin("publishdata", "de.chojo.publishdata").version("1.2.5")
 
             version("indra", "3.1.3")