Update commons-lang3 test dependency to version 3.7

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1834783 13f79535-47bb-0310-9956-ffa450edef68

Author: PascalSchumacher

pom.xml

@@ -214,7 +214,7 @@ limitations under the License.
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-lang3</artifactId>
-      <version>3.6</version>
+      <version>3.7</version>
       <scope>test</scope>
     </dependency>
   </dependencies>