Bump org.mockito:mockito-core from 5.14.1 to 5.15.2

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.14.1 to 5.15.2.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.14.1...v5.15.2)

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

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

build.gradle

@@ -137,7 +137,7 @@ dependencies {
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.11.2'
     testImplementation 'org.springframework:spring-test:5.3.39'
     testImplementation 'org.springframework:spring-web:5.3.39'
-    testImplementation 'org.mockito:mockito-core:5.14.1'
+    testImplementation 'org.mockito:mockito-core:5.15.2'
 }
 
 jacocoTestReport {