Bump org.mockito:mockito-core from 3.4.6 to 5.3.1

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 3.4.6 to 5.3.1.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v3.4.6...v5.3.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build.gradle

@@ -2,7 +2,7 @@ buildscript {
     ext {
         kotlin_version = '1.8.20'
 	// wait for upstream https://github.com/mockito/mockito/issues/2007
-        mockito_version = '3.4.6'
+        mockito_version = '5.3.1'
         threetenbp_version = '1.6.8'
         kotpref_version = '2.13.2'
     }