Bump checkstyle from 10.1 to 10.2 in /src (#593)

Bumps [checkstyle](https://github.com/checkstyle/checkstyle) from 10.1 to 10.2.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](checkstyle/checkstyle@checkstyle-10.1...checkstyle-10.2)

---
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>

src/scheduler/pom.xml

@@ -195,7 +195,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>10.1</version>
+                        <version>10.2</version>
                     </dependency>
                 </dependencies>
             </plugin>