TEZ-4353: Update commons-io to 2.8.0 (#165) (D M Murali Krishna Reddy reviewed by Laszlo Bodor)

diff --git a/pom.xml b/pom.xml
index 3785352..27b3e39 100644
--- a/pom.xml
+++ b/pom.xml
@@ -253,7 +253,7 @@
       <dependency>
         <groupId>commons-io</groupId>
         <artifactId>commons-io</artifactId>
-        <version>2.4</version>
+        <version>2.8.0</version>
       </dependency>
       <dependency>
         <groupId>commons-lang</groupId>