Bump org.mockito:mockito-core from 5.5.0 to 5.6.0

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.5.0 to 5.6.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.5.0...v5.6.0)

---
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

@@ -41,7 +41,7 @@ dependencies {
     include "com.enonic.lib:lib-static:1.0.3"
     include "com.enonic.lib:lib-router:3.1.0"
 
-    testImplementation 'org.mockito:mockito-core:5.5.0'
+    testImplementation 'org.mockito:mockito-core:5.6.0'
     testImplementation 'org.mockito:mockito-junit-jupiter:5.6.0'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.0'
     testImplementation "com.enonic.xp:testing:${xpVersion}"