Bump org.mockito:mockito-core from 5.15.2 to 5.16.0

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.15.2 to 5.16.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.15.2...v5.16.0)

---
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>

gradle/libs.versions.toml

@@ -25,7 +25,7 @@ junitVersion = "5.12.0"
 junitPlatformVersion = "1.12.0"
 jxlsVersion = "1.0.6"
 kotlinVersion = "2.1.10"
-mockitoVersion = "5.15.2"
+mockitoVersion = "5.16.0"
 netty4Version = "4.1.119.Final"
 poiVersion = "3.17"
 restAssuredVersion = "5.5.1"