Bump com.diffplug.spotless from 6.0.4 to 6.0.5

Bumps com.diffplug.spotless from 6.0.4 to 6.0.5.

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build.gradle

@@ -3,7 +3,7 @@ plugins {
   id 'java' //java support
   id 'groovy' // groovy support
   id 'pmd' // code check, working on source code
-  id 'com.diffplug.spotless' version '6.0.4'//code format
+  id 'com.diffplug.spotless' version '6.0.5'//code format
   id 'com.github.spotbugs' version '5.0.3' // code check, working on byte code
   id 'de.undercouch.download' version '4.1.2'
   id 'kr.motd.sphinx' version '2.10.1' // documentation generation