Bump commons-io:commons-io from 2.20.0 to 2.21.0

Bumps [commons-io:commons-io](https://github.com/apache/commons-io) from 2.20.0 to 2.21.0.
- [Changelog](https://github.com/apache/commons-io/blob/master/RELEASE-NOTES.txt)
- [Commits](https://github.com/apache/commons-io/compare/rel/commons-io-2.20.0...rel/commons-io-2.21.0)

---
updated-dependencies:
- dependency-name: commons-io:commons-io
  dependency-version: 2.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Closes #867

Change-Id: I8a03ab3fef0ba49f34797406bea994976e5d9a3c
diff --git a/pom.xml b/pom.xml
index 761c239..5976711 100644
--- a/pom.xml
+++ b/pom.xml
@@ -647,7 +647,7 @@
 		<dependency>
 			<groupId>commons-io</groupId>
 			<artifactId>commons-io</artifactId>
-			<version>2.20.0</version>
+			<version>2.21.0</version>
 		</dependency>
 		<dependency>
 			<groupId>commons-validator</groupId>