Bump checkstyle from 8.43 to 8.44

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>

Author: dependabot[bot]

pom.xml

@@ -63,7 +63,7 @@
         <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
         <build-helper-maven-plugin.version>3.2.0</build-helper-maven-plugin.version>
 
-        <checkstyle.version>8.43</checkstyle.version> <!-- Property for Checkstyle's regression CI - see issue 216 -->
+        <checkstyle.version>8.44</checkstyle.version> <!-- Property for Checkstyle's regression CI - see issue 216 -->
         <checkstyle.maven.version>3.1.2</checkstyle.maven.version>
         <checkstyle.config>project/checkstyle-config.xml</checkstyle.config>