Bump junit.version from 5.8.2 to 5.9.1 (#189)

Author: dependabot[bot]

pom.xml

@@ -16,7 +16,7 @@
   </licenses>
 
   <properties>
-    <junit.version>5.8.2</junit.version>
+    <junit.version>5.9.1</junit.version>
     <logback.version>1.2.11</logback.version>
     <jackson.version>2.13.3</jackson.version>
     <slf4j.version>1.7.36</slf4j.version>