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

Author: renovate[bot]

packages/pangea-sdk/pom.xml

@@ -121,7 +121,7 @@
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
-      <version>5.20.0</version>
+      <version>5.21.0</version>
       <scope>test</scope>
     </dependency>
   </dependencies>