Update dependency org.mockito:mockito-core to v5.12.0

Author: renovate[bot]

pom.xml

@@ -31,7 +31,7 @@
     <!-- Compilation dependencies -->
     <java.version>1.8</java.version>
     <metrics.version>4.2.25</metrics.version>
-    <mockito.version>5.10.0</mockito.version>
+    <mockito.version>5.12.0</mockito.version>
     <okhttp.version>4.12.0</okhttp.version>
 
     <!-- Test dependencies -->