Bump org.mockito:mockito-core from 5.3.1 to 5.4.0

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.3.1 to 5.4.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.3.1...v5.4.0)

---
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>

build.gradle

@@ -66,7 +66,7 @@ dependencies {
     }
 
     testCompile group: 'junit', name: 'junit', version: '4.13.2'
-    testCompile group: 'org.mockito', name: 'mockito-core', version: '5.3.1'
+    testCompile group: 'org.mockito', name: 'mockito-core', version: '5.4.0'
 }
 
 apply from: 'gradle/tests.gradle'