Update UPL-1.0 example which was moved

_licenses/upl-1.0.txt

@@ -9,7 +9,7 @@ how: Insert the license or a link to it along with a copyright notice into your
 note: It is recommended to add a link to the license and copyright notice at the top of each source file, example text can be found at https://oss.oracle.com/licenses/upl/.
 
 using:
-  - WebLogic Kubernetes Operator: https://github.com/oracle/weblogic-kubernetes-operator/blob/master/LICENSE
+  - WebLogic Kubernetes Operator: https://github.com/oracle/weblogic-kubernetes-operator/blob/master/LICENSE.txt
   - Oracle Product Images for Docker: https://github.com/oracle/docker-images/blob/master/LICENSE
   - Oracle Product Boxes for Vagrant: https://github.com/oracle/vagrant-boxes/blob/master/LICENSE