chore(deps): bump commons-io:commons-io from 2.4 to 2.21.0 (#26)

Bumps [commons-io:commons-io](https://github.com/apache/commons-io) from 2.4 to 2.21.0.
- [Changelog](https://github.com/apache/commons-io/blob/master/RELEASE-NOTES.txt)
- [Commits](apache/commons-io@2.4...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
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

build.gradle.kts

@@ -33,7 +33,7 @@ dependencies {
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
 
     // Other test dependencies
-    testImplementation("commons-io:commons-io:2.14.0")
+    testImplementation("commons-io:commons-io:2.21.0")
     testImplementation("org.slf4j:slf4j-simple:2.0.17")
 }