Bump commons-io:commons-io from 2.7 to 2.14.0 in /gwt-xhr-test-service

Bumps commons-io:commons-io from 2.7 to 2.14.0.

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

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

Author: dependabot[bot]

gwt-xhr-test-service/pom.xml

@@ -23,7 +23,7 @@
     <dependency>
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>
-      <version>2.7</version>
+      <version>2.14.0</version>
     </dependency>
   </dependencies>