Merge pull request #12 from awslabs/dependabot/maven/junit-junit-4.13.1

Looks fine. Bump junit from 4.7 to 4.13.1

Author: YueTang-Vanessa

pom.xml

@@ -38,7 +38,7 @@
     <dependency>
         <groupId>junit</groupId>
         <artifactId>junit</artifactId>
-        <version>4.7</version>
+        <version>4.13.1</version>
         <scope>test</scope>
     </dependency>
     <dependency>