Bump mockito-core from 3.11.2 to 3.12.1

Bumps [mockito-core](https://github.com/mockito/mockito) from 3.11.2 to 3.12.1.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v3.11.2...v3.12.1)

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

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

Author: dependabot[bot]

plexus-java/pom.xml

@@ -90,7 +90,7 @@
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
-      <version>3.11.2</version>
+      <version>3.12.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>