build(deps): bump commons-io:commons-io from 2.15.1 to 2.20.0

Bumps [commons-io:commons-io](https://github.com/apache/commons-io) from 2.15.1 to 2.20.0.
- [Changelog](https://github.com/apache/commons-io/blob/master/RELEASE-NOTES.txt)
- [Commits](apache/commons-io@rel/commons-io-2.15.1...rel/commons-io-2.20.0)

---
updated-dependencies:
- dependency-name: commons-io:commons-io
  dependency-version: 2.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

plugins/build.gradle.kts

@@ -76,7 +76,7 @@ dependencies {
   testImplementation(libs.mockk)
   testImplementation(libs.junit)
   testImplementation(libs.truth)
-  testImplementation("commons-io:commons-io:2.15.1")
+  testImplementation("commons-io:commons-io:2.20.0")
   testImplementation(kotlin("test"))
 }