Bump checkstyle from 8.43 to 8.44 (#20)

Bumps [checkstyle](https://github.com/checkstyle/checkstyle) from 8.43 to 8.44.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](checkstyle/checkstyle@checkstyle-8.43...checkstyle-8.44)

---
updated-dependencies:
- dependency-name: com.puppycrawl.tools:checkstyle
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

pom.xml

@@ -42,7 +42,7 @@
     <java.minimum.version>1.9</java.minimum.version>
 
     <!-- Plugin versions -->
-    <checkstyle.version>8.43</checkstyle.version>
+    <checkstyle.version>8.44</checkstyle.version>
     <checkstyle-plugin.version>3.1.2</checkstyle-plugin.version>
     <compiler-plugin.version>3.8.1</compiler-plugin.version>
     <gpg-plugin.version>3.0.1</gpg-plugin.version>