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] <[email protected]>

library/build.gradle

@@ -61,7 +61,7 @@ dependencies {
 
     // dependencies for tests
     testImplementation "junit:junit:$junit_version"
-    testImplementation 'org.mockito:mockito-core:5.3.1'
+    testImplementation 'org.mockito:mockito-core:5.4.0'
     testImplementation 'com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0'
 
     // dependencies for instrumented tests