Bump checkstyle from 10.2 to 10.3

Bumps [checkstyle](https://github.com/checkstyle/checkstyle) from 10.2 to 10.3.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](checkstyle/checkstyle@checkstyle-10.2...checkstyle-10.3)

---
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>

build-parent/pom.xml

@@ -125,7 +125,7 @@
             <dependency>
               <groupId>com.puppycrawl.tools</groupId>
               <artifactId>checkstyle</artifactId>
-              <version>10.2</version>
+              <version>10.3</version>
             </dependency>
             <dependency>
               <groupId>org.eclipse.cbi</groupId>