chore(deps): update dependency org.mockito:mockito-core to v5.21.0 (#1774)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -12,7 +12,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>${maven.compiler.source}</maven.compiler.target>
-        <org.mockito.version>5.20.0</org.mockito.version>
+        <org.mockito.version>5.21.0</org.mockito.version>
         <com.vmlens.version>1.2.23</com.vmlens.version>
         <!-- exclusion expression for e2e tests -->
         <testExclusions>**/e2e/*.java</testExclusions>