Bump mockk from 1.12.5 to 1.12.7

Bumps [mockk](https://github.com/mockk/mockk) from 1.12.5 to 1.12.7.
- [Release notes](https://github.com/mockk/mockk/releases)
- [Commits](mockk/mockk@1.12.5...1.12.7)

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

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

build.gradle.kts

@@ -4,7 +4,7 @@ val logstashVersion = "7.2"
 val springSleuthVersion = "3.0.4"
 val resilience4jVersion = "1.7.1"
 val verapdfVersion = "1.18.8"
-val mockkVersion = "1.12.5"
+val mockkVersion = "1.12.7"
 val springMockkVersion = "3.1.1"
 
 val githubUser: String by project