Bump commons-io from 2.6 to 2.7

Bumps commons-io from 2.6 to 2.7.

Signed-off-by: dependabot[bot] <support@github.com>

Closes #73

Change-Id: I97380e31951c65b768d2178cb581d0066ca20ccd
diff --git a/pom.xml b/pom.xml
index 60583ff..76b1a2d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -217,7 +217,7 @@
     	<dependency>
 		    <groupId>commons-io</groupId>
 		    <artifactId>commons-io</artifactId>
-		    <version>2.6</version>
+		    <version>2.7</version>
 		</dependency>
 
     <!-- https://mvnrepository.com/artifact/org.codehaus.mojo/cobertura-maven-plugin -->