Bump org.mockito:mockito-core from 5.4.0 to 5.20.0 in /library

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.4.0 to 5.20.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.4.0...v5.20.0)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-version: 5.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

library/build.gradle

@@ -40,7 +40,7 @@ ext {
     junit_jupiter_version = '5.10.0'
     junit_platform_launcher_version = '1.10.1'
 
-    mockito_version = '5.4.0'
+    mockito_version = '5.20.0'
     jdefault_version = '2.0.0'
     hamcrest_version = '2.2'