[CSV-248] CSVRecord is not Serializable.

Update JUnit from 5.5.2 to 5.6.0.

Author: garydgregory

pom.xml

@@ -32,7 +32,7 @@
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter</artifactId>
-      <version>5.5.2</version>
+      <version>5.6.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>