Bump com.diffplug.spotless from 6.20.0 to 6.23.2 (opensearch-project#…

…11797)

Signed-off-by: Andriy Redko <andriy.redko@aiven.io>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -54,7 +54,7 @@ plugins {
   id 'lifecycle-base'
   id 'opensearch.docker-support'
   id 'opensearch.global-build-info'
-  id "com.diffplug.spotless" version "6.20.0" apply false
+  id "com.diffplug.spotless" version "6.23.2" apply false
   id "org.gradle.test-retry" version "1.5.4" apply false
   id "test-report-aggregation"
   id 'jacoco-report-aggregation'