Bump org.mockito:mockito-core from 5.6.0 to 5.7.0 (JabRef#10638)

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.6.0 to 5.7.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.6.0...v5.7.0)

---
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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -239,7 +239,7 @@ dependencies {
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.1'
     testImplementation 'org.junit.platform:junit-platform-launcher:1.10.0'
 
-    testImplementation 'org.mockito:mockito-core:5.6.0'
+    testImplementation 'org.mockito:mockito-core:5.7.0'
     testImplementation 'org.xmlunit:xmlunit-core:2.9.1'
     testImplementation 'org.xmlunit:xmlunit-matchers:2.9.1'
     testRuntimeOnly 'com.tngtech.archunit:archunit-junit5-engine:1.2.0'