Bump maven-checkstyle-plugin from 3.0.0 to 3.2.0

Bumps [maven-checkstyle-plugin](https://github.com/apache/maven-checkstyle-plugin) from 3.0.0 to 3.2.0.
- [Release notes](https://github.com/apache/maven-checkstyle-plugin/releases)
- [Commits](https://github.com/apache/maven-checkstyle-plugin/compare/maven-checkstyle-plugin-3.0.0...maven-checkstyle-plugin-3.2.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-checkstyle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 1ddcc77..c62cf97 100644
--- a/pom.xml
+++ b/pom.xml
@@ -557,7 +557,7 @@
              <plugin>

                  <groupId>org.apache.maven.plugins</groupId>

                  <artifactId>maven-checkstyle-plugin</artifactId>

-                 <version>3.0.0</version>

+                 <version>3.2.0</version>

                  <configuration>

                      <configLocation>${project.basedir}/src/conf/checkstyle.xml</configLocation>

                      <!-- Needed to define config_loc -->