Bump mockk from 1.12.2 to 1.12.3

Bumps [mockk](https://github.com/mockk/mockk) from 1.12.2 to 1.12.3.
- [Release notes](https://github.com/mockk/mockk/releases)
- [Commits](mockk/mockk@1.12.2...1.12.3)

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

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

rabbit-hole/build.gradle

@@ -26,7 +26,7 @@ dependencies {
     testImplementation("org.springframework.boot:spring-boot-starter-test") {
         exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
     }
-    testImplementation group: 'io.mockk', name: 'mockk', version: '1.12.2'
+    testImplementation group: 'io.mockk', name: 'mockk', version: '1.12.3'
 
 }