Bump maven-checkstyle-plugin from 3.1.1 to 3.1.2

Bumps [maven-checkstyle-plugin](https://github.com/apache/maven-checkstyle-plugin) from 3.1.1 to 3.1.2.
- [Release notes](https://github.com/apache/maven-checkstyle-plugin/releases)
- [Commits](https://github.com/apache/maven-checkstyle-plugin/compare/maven-checkstyle-plugin-3.1.1...maven-checkstyle-plugin-3.1.2)

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 4d1a139..16d0163 100644
--- a/pom.xml
+++ b/pom.xml
@@ -374,7 +374,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-checkstyle-plugin</artifactId>
-            <version>3.1.1</version>
+            <version>3.1.2</version>
             <configuration>
               <configLocation>config/maven_checks.xml</configLocation>
               <headerLocation>config/maven-header.txt</headerLocation>