chore(deps): bump org.mockito:mockito-core from 5.12.0 to 5.13.0

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.12.0 to 5.13.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.12.0...v5.13.0)

---
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]>

build.gradle

@@ -88,7 +88,7 @@ dependencies {
         exclude(group: "org.hamcrest", module: "hamcrest-core")
     }
     testImplementation("org.hamcrest:hamcrest-all:1.3")
-    testImplementation("org.mockito:mockito-core:5.12.0")
+    testImplementation("org.mockito:mockito-core:5.13.0")
     testImplementation("org.mockito:mockito-all:1.10.19")
 
     testImplementation("org.apache.kafka:connect-json:$kafkaVersion")