Bump com.github.spotbugs from 6.4.2 to 6.4.4 (#41)

Bumps com.github.spotbugs from 6.4.2 to 6.4.4.

---
updated-dependencies:
- dependency-name: com.github.spotbugs
  dependency-version: 6.4.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

build.gradle

@@ -5,7 +5,7 @@ plugins {
     id 'application'
     id 'com.diffplug.spotless' version '8.0.0'
     id 'com.github.ben-manes.versions' version '0.53.0'
-    id 'com.github.spotbugs' version '6.4.2'
+    id 'com.github.spotbugs' version '6.4.4'
 }
 
 application {