Merge pull request #332 from networknt/dependabot/maven/junit-junit-4.13.1

Bump junit from 4.12 to 4.13.1

Author: stevehu

pom.xml

@@ -67,7 +67,7 @@
         <version.common-lang3>3.7</version.common-lang3>
         <version.joni>2.1.31</version.joni>
         <version.logback>1.2.3</version.logback>
-        <version.junit>4.12</version.junit>
+        <version.junit>4.13.1</version.junit>
         <version.mockito>2.7.21</version.mockito>
         <version.hamcrest>1.3</version.hamcrest>
         <version.undertow>2.1.3.Final</version.undertow>