Bump io.mockk:mockk from 1.13.8 to 1.13.9

Bumps [io.mockk:mockk](https://github.com/mockk/mockk) from 1.13.8 to 1.13.9.
- [Release notes](https://github.com/mockk/mockk/releases)
- [Commits](mockk/mockk@1.13.8...1.13.9)

---
updated-dependencies:
- dependency-name: io.mockk:mockk
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -49,7 +49,7 @@ junit-bom = { module = "org.junit:junit-bom", version.ref = "junit" }
 kotest-bom = "io.kotest:kotest-bom:5.8.0"
 kotest-runner = { module = "io.kotest:kotest-runner-junit5" }
 kotest-datatest = { module = "io.kotest:kotest-framework-datatest" }
-mockk = "io.mockk:mockk:1.13.8"
+mockk = "io.mockk:mockk:1.13.9"
 
 diff-utils = "io.github.java-diff-utils:java-diff-utils:4.12"