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](apache/maven-checkstyle-plugin@maven-checkstyle-plugin-3.1.1...maven-checkstyle-plugin-3.1.2)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -131,7 +131,7 @@
         <!-- build plugin dependencies-->
         <maven.surefire.version>2.22.2</maven.surefire.version>
         <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
-        <maven-checkstyle-plugin.version>3.1.1</maven-checkstyle-plugin.version>
+        <maven-checkstyle-plugin.version>3.1.2</maven-checkstyle-plugin.version>
         <maven-failsafe-plugin.version>2.22.2</maven-failsafe-plugin.version>
         <maven-jar-plugin.version>3.1.1</maven-jar-plugin.version>
         <maven-javadoc-plugin.version>3.0.1</maven-javadoc-plugin.version>