chore(deps): bump org.jetbrains.kotlin:kotlin-test from 1.8.20 to 1.8.21

Bumps [org.jetbrains.kotlin:kotlin-test](https://github.com/JetBrains/kotlin) from 1.8.20 to 1.8.21.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v1.8.21/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.20...v1.8.21)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-test
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -34,7 +34,7 @@ dependencies {
     implementation "commons-io:commons-io:2.11.0"
     implementation 'io.sentry:sentry:6.18.1'
     testImplementation "junit:junit:4.13.2"
-    testImplementation "org.jetbrains.kotlin:kotlin-test:1.8.20"
+    testImplementation "org.jetbrains.kotlin:kotlin-test:1.8.21"
     testImplementation "org.mockito:mockito-core:5.+"
     testImplementation "org.assertj:assertj-core:3.24.2"
     testImplementation "io.mockk:mockk:1.13.5"