Bump org.mockito:mockito-core from 5.13.0 to 5.14.1

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.13.0 to 5.14.1.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.13.0...v5.14.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

biz.ganttproject.core/build.gradle

@@ -21,7 +21,7 @@ dependencies {
 
     testImplementation(
         'org.junit.jupiter:junit-jupiter-api:5.+',
-        'org.mockito:mockito-core:5.13.0',
+        'org.mockito:mockito-core:5.14.1',
         'com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0'
     )
     testRuntimeOnly(