registry version bump

pom.xml

@@ -1166,10 +1166,10 @@
         <carbon.multitenancy.version>4.6.1</carbon.multitenancy.version>
 
         <!-- Carbon Registry -->
-        <carbon.registry.version>4.6.0</carbon.registry.version>
+        <carbon.registry.version>4.6.8</carbon.registry.version>
 
         <!-- Carbon Governance -->
-        <carbon.governance.version>4.7.0</carbon.governance.version>
+        <carbon.governance.version>4.7.8</carbon.governance.version>
 
         <!-- Carbon API Management -->
         <carbon.api.mgt.version>6.1.64</carbon.api.mgt.version>