Bump commons-io from 2.6 to 2.7 in /core

Bumps commons-io from 2.6 to 2.7.

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

Closes #95

Change-Id: I45849d44c73f76b2f671cdb2a85708e51eac0ca9
diff --git a/core/pom.xml b/core/pom.xml
index 002d1f1..eba264c 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -465,7 +465,7 @@
 		<dependency>
 			<groupId>commons-io</groupId>
 			<artifactId>commons-io</artifactId>
-			<version>2.6</version>
+			<version>2.7</version>
 		</dependency>
 
 		<!-- Hibernate -->