Merge pull request #21 from jcasbin/dependabot/maven/junit-junit-4.13.1

Bump junit from 4.11 to 4.13.1

Author: hsluoyz

pom.xml

@@ -87,7 +87,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>