Bump com.diffplug.spotless from 6.22.0 to 6.23.2

Bumps com.diffplug.spotless from 6.22.0 to 6.23.2.

---
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>

build.gradle.kts

@@ -43,7 +43,7 @@ plugins {
   `maven-publish`
   signing
 
-  id("com.diffplug.spotless") version "6.22.0"
+  id("com.diffplug.spotless") version "6.23.2"
   id("com.dorongold.task-tree") version "2.1.1"
   id("com.github.ben-manes.versions") version "0.50.0"
   id("de.undercouch.download") version "5.5.0"