build(deps): bump the test-dependencies group with 2 updates (#669)

Bumps the test-dependencies group with 2 updates: [org.mockito:mockito-core](https://github.com/mockito/mockito) and [org.mockito:mockito-junit-jupiter](https://github.com/mockito/mockito).


Updates `org.mockito:mockito-core` from 5.17.0 to 5.18.0
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.17.0...v5.18.0)

Updates `org.mockito:mockito-junit-jupiter` from 5.17.0 to 5.18.0
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.17.0...v5.18.0)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-version: 5.18.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: test-dependencies
- dependency-name: org.mockito:mockito-junit-jupiter
  dependency-version: 5.18.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: test-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Mark Schreiber <[email protected]>

Author: dependabot[bot]

build.gradle

@@ -147,8 +147,8 @@ testing {
             }
             dependencies {
                 implementation 'org.assertj:assertj-core:3.27.3'
-                implementation 'org.mockito:mockito-core:5.17.0'
-                implementation 'org.mockito:mockito-junit-jupiter:5.17.0'
+                implementation 'org.mockito:mockito-core:5.18.0'
+                implementation 'org.mockito:mockito-junit-jupiter:5.18.0'
                 implementation 'com.github.stefanbirkner:system-lambda:1.2.1'
                 runtimeOnly 'ch.qos.logback:logback-classic:1.5.18'
             }