Bump mockitoVersion from 5.7.0 to 5.8.0 in /Plan (#3348)

Bumps `mockitoVersion` from 5.7.0 to 5.8.0.

Updates `org.mockito:mockito-core` from 5.7.0 to 5.8.0
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](https://github.com/mockito/mockito/compare/v5.7.0...v5.8.0)

Updates `org.mockito:mockito-junit-jupiter` from 5.7.0 to 5.8.0
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](https://github.com/mockito/mockito/compare/v5.7.0...v5.8.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Plan/build.gradle

@@ -106,7 +106,7 @@ subprojects {
         nkPlaceholderapiVersion = "1.4-SNAPSHOT"
 
         junitVersion = "5.10.1"
-        mockitoVersion = "5.7.0"
+        mockitoVersion = "5.8.0"
         testContainersVersion = "1.19.3"
         swaggerVersion = "2.2.19"
     }