[Backport] [2.x] Bump com.diffplug.spotless from 6.23.0 to 6.23.3 (op…

…ensearch-project#3786) (opensearch-project#3799)

Backport of opensearch-project#3786 to
`2.x`

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

build.gradle

@@ -62,7 +62,7 @@ plugins {
     id 'idea'
     id 'jacoco'
     id 'maven-publish'
-    id 'com.diffplug.spotless' version '6.22.0'
+    id 'com.diffplug.spotless' version '6.23.3'
     id 'checkstyle'
     id 'com.netflix.nebula.ospackage' version "11.5.0"
     id "org.gradle.test-retry" version "1.5.7"