Merge pull request #8 from ben-xo/dependabot/maven/junit-junit-4.13.1

Bump junit from 4.12 to 4.13.1

pom.xml

@@ -129,7 +129,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.12</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <!-- https://mvnrepository.com/artifact/org.mockito/mockito-core -->