Bump com.puppycrawl.tools:checkstyle from 10.21.2 to 10.23.1 (#20)

Bumps [com.puppycrawl.tools:checkstyle](https://github.com/checkstyle/checkstyle) from 10.21.2 to 10.23.1.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](checkstyle/checkstyle@checkstyle-10.21.2...checkstyle-10.23.1)

---
updated-dependencies:
- dependency-name: com.puppycrawl.tools:checkstyle
  dependency-version: 10.23.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

pom.xml

@@ -235,7 +235,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>10.21.2</version>
+                        <version>10.23.1</version>
                     </dependency>
                 </dependencies>
                 <executions>