Bump io.mockk:mockk from 1.13.11 to 1.13.12

Bumps [io.mockk:mockk](https://github.com/mockk/mockk) from 1.13.11 to 1.13.12.
- [Release notes](https://github.com/mockk/mockk/releases)
- [Commits](mockk/mockk@1.13.11...1.13.12)

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

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

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ junit = "5.10.3"
 snakeyaml = "org.yaml:snakeyaml:2.2"
 assertk = "com.willowtreeapps.assertk:assertk-jvm:0.28.1"
 # version 1.13.8 doesn't work because of JVM 11 bytecode despite of https://github.com/mockk/mockk/pull/1161
-mockk = "io.mockk:mockk:1.13.11"
+mockk = "io.mockk:mockk:1.13.12"
 tabbedCodeExtension = "com.bmuschko:asciidoctorj-tabbed-code-extension:0.3"
 orgJson = "org.json:json:20240303"
 jsonPath = "com.jayway.jsonpath:json-path:2.9.0"