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](apache/commons-io@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>

Author: dependabot[bot]

build.gradle

@@ -40,7 +40,7 @@ dependencies {
 
   // Required to read InputStream with BOM-field
   // https://mvnrepository.com/artifact/commons-io/commons-io
-  implementation 'commons-io:commons-io:2.20.0'
+  implementation 'commons-io:commons-io:2.21.0'
 
   // Testing: Used to load MIME-types from JSON
   // https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations