Bump commons-io from 2.6 to 2.7 (#53)

Author: dependabot[bot]

pom.xml

@@ -248,7 +248,7 @@
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
-            <version>2.6</version>
+            <version>2.7</version>
             <scope>test</scope>
         </dependency>
         <dependency>