Bump org.mockito:mockito-core from 5.20.0 to 5.21.0

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.20.0 to 5.21.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.20.0...v5.21.0)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-version: 5.21.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -48,7 +48,7 @@
         <maven-source-plugin.version>3.4.0</maven-source-plugin.version>
         <maven-surefire-plugin.version>3.5.4</maven-surefire-plugin.version>
         <maven-jar-plugin.version>3.5.0</maven-jar-plugin.version>
-        <mockito-core.version>5.20.0</mockito-core.version>
+        <mockito-core.version>5.21.0</mockito-core.version>
         <nexus-staging-maven-plugin.version>1.7.0</nexus-staging-maven-plugin.version>
         <reflections.version>0.10.2</reflections.version>
         <slf4j.version>2.0.17</slf4j.version>