Bump com.github.spotbugs from 6.1.12 to 6.1.13

Bumps com.github.spotbugs from 6.1.12 to 6.1.13.

---
updated-dependencies:
- dependency-name: com.github.spotbugs
  dependency-version: 6.1.13
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build.gradle

@@ -4,7 +4,7 @@ plugins {
   id 'scala'
   id 'pmd' // code check, working on source code
   id 'com.diffplug.spotless' version '7.0.4'//code format
-  id 'com.github.spotbugs' version '6.1.12' // code check, working on byte code
+  id 'com.github.spotbugs' version '6.1.13' // code check, working on byte code
   id 'de.undercouch.download' version '5.6.0'
   id 'kr.motd.sphinx' version '2.10.1' // documentation generation
   id "com.github.maiflai.scalatest" version "0.33" // run scalatest without specific spec task