Bump commons-io from 1.3.2 to 2.7 in /junit-4

Bumps commons-io from 1.3.2 to 2.7.

---
updated-dependencies:
- dependency-name: commons-io:commons-io
  dependency-type: direct:production
...

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

Author: dependabot[bot]

junit-4/pom.xml

@@ -28,7 +28,7 @@
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
-            <version>1.3.2</version>
+            <version>2.7</version>
         </dependency>
         <dependency>
             <groupId>org.seleniumhq.selenium</groupId>