Update mockito version

Updated mockito version to resolve build errors in ccsdk/sli with
Sulfur version of parents

Issue-ID: CCSDK-3691
Change-Id: I5e20c70c20e15e62bdf015d69a6e2ef959f4ace2
Signed-off-by: Dan Timoney <dtimoney@att.com>
diff --git a/oparent/pom.xml b/oparent/pom.xml
index d3d7fb5..14b9e87 100755
--- a/oparent/pom.xml
+++ b/oparent/pom.xml
@@ -160,7 +160,7 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <version>1.10.19</version>
+            <version>3.12.4</version>
             <scope>test</scope>
         </dependency>
         <dependency>