chore(deps): update plugin com.diffplug.spotless to v6.25.0 (#972)

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Co-authored-by: mend-for-github-com[bot] <50673670+mend-for-github-com[bot]@users.noreply.github.com>

Author: mend-for-github-com[bot]

build.gradle

@@ -37,7 +37,7 @@ buildscript {
 
 plugins {
     id 'java-library'
-    id "com.diffplug.spotless" version "6.22.0" apply false
+    id "com.diffplug.spotless" version "6.25.0" apply false
     id 'jacoco'
     id "com.form.diff-coverage" version "0.9.5"
     // for javadocs and checks spotless doesn't do