Bump the all group with 1 update

Bumps the all group with 1 update: [io.mockk:mockk](https://github.com/mockk/mockk).


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

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

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

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ kotlin = "1.9.22"
 ktor = "2.3.7"
 logback = "1.4.14"
 micrometer = "1.12.1"
-mockk = "1.13.8"
+mockk = "1.13.9"
 poet = "1.15.3"
 postgresql = "42.7.1"
 serialization = "1.6.2"