Merge pull request #1698 from renovate-bot/renovate/com.diffplug.spotless-com.diffplug.spotless.gradle.plugin-5.x

Update dependency com.diffplug.spotless:com.diffplug.spotless.gradle.plugin to v5.12.1
diff --git a/build.gradle b/build.gradle
index 7513f4a..da3cbe0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -53,7 +53,7 @@
 
 plugins {
     id 'io.spring.dependency-management' version '1.0.11.RELEASE'
-    id 'com.diffplug.spotless' version '5.12.0' apply false
+    id 'com.diffplug.spotless' version '5.12.1' apply false
     id 'org.nosphere.apache.rat' version '0.7.0' apply false
     id 'com.github.hierynomus.license' version '0.15.0' apply false
     id 'org.openapi.generator' version '4.3.1' apply false