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

@@ -51,7 +51,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-checkstyle-plugin</artifactId>
-          <version>3.1.1</version>
+          <version>3.1.2</version>
           <dependencies>
             <dependency>
               <groupId>org.apache.maven.shared</groupId>