Bump org.mockito:mockito-core from 4.11.0 to 5.6.0

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 4.11.0 to 5.6.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v4.11.0...v5.6.0)

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

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

build.gradle

@@ -34,7 +34,7 @@ dependencies {
     implementation 'commons-io:commons-io:2.14.0'
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.nanohttpd:nanohttpd:2.3.1'
-    testImplementation 'org.mockito:mockito-core:4.11.0'
+    testImplementation 'org.mockito:mockito-core:5.6.0'
     testRuntimeOnly 'org.slf4j:slf4j-simple:2.0.9'
     testRuntimeOnly 'org.apache.logging.log4j:log4j-to-slf4j:2.20.0'
 }