Bump mockitoVersion from 5.11.0 to 5.12.0

Bumps `mockitoVersion` from 5.11.0 to 5.12.0.

Updates `org.mockito:mockito-core` from 5.11.0 to 5.12.0
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.11.0...v5.12.0)

Updates `org.mockito:mockito-junit-jupiter` from 5.11.0 to 5.12.0
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.11.0...v5.12.0)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.mockito:mockito-junit-jupiter
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle

@@ -148,7 +148,7 @@ ext {
     junitJupiterVersion = "5.10.2"
     junitPlatformLauncherVersion = "1.10.2"
     logbackClassicVersion = "1.2.11"
-    mockitoVersion = "5.11.0"
+    mockitoVersion = "5.12.0"
     openFeignVersion = "13.2.1"
     postgresqlVersion = "42.7.3"
     snakeYamlVersion = "2.7"