Update dependency commons-codec:commons-codec to v1.20.0 (#509)

Author: renovate[bot]

pom.xml

@@ -231,7 +231,7 @@
             <dependency>
                 <groupId>commons-codec</groupId>
                 <artifactId>commons-codec</artifactId>
-                <version>1.19.0</version>
+                <version>1.20.0</version>
                 <scope>test</scope>
             </dependency>
         </dependencies>