Bump com.diffplug.spotless from 6.22.0 to 6.23.0 (#3182)

Bumps com.diffplug.spotless from 6.22.0 to 6.23.0.

---
updated-dependencies:
- dependency-name: com.diffplug.spotless
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -21,7 +21,7 @@ buildscript {
 }
 
 plugins {
-    id 'com.diffplug.spotless' version '6.22.0'
+    id 'com.diffplug.spotless' version '6.23.0'
     id 'eclipse'
     id 'com.github.ben-manes.versions' version '0.50.0'
     id 'biz.aQute.bnd.builder' version '7.0.0'