Add logs to indicate success

[domenicrosati]

We should add logs to indicate success so that it helps us troubleshoot heighliner when things are not happening as expected.

Some of these logs can be:

• succesful handling of GH webhooks n the GithubRepository controller
• sucessful syncing of DH Images and GH Tags in the ImagePolicyController
• successful deployments in the Microservice Controller/Versioned Microservice controller
• sucessful creation of ingress and services in the Networkpolicy controller