Bump the dependencies group with 1 update

Bumps the dependencies 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](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
  dependency-group: dependencies
...

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

build.gradle.kts

@@ -9,7 +9,7 @@ val ktorVersion = "2.3.7"
 val logstashEncoderVersion = "7.4"
 val prometheusVersion = "0.16.0"
 val smCommonVersion = "2.0.8"
-val mockkVersion = "1.13.8"
+val mockkVersion = "1.13.9"
 val nimbusdsVersion = "9.37.3"
 val hikariVersion = "5.1.0"
 val flywayVersion = "10.4.1"