Merge pull request #1998 from microsoftgraph/feature/code-of-conduct

- updates code of conduct to the latest standard

Author: baywet

CODE_OF_CONDUCT.md

@@ -7,3 +7,4 @@ Resources:
 - [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/)
 - [Microsoft Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/)
 - Contact [[email protected]](mailto:[email protected]) with questions or concerns
+- Employees can reach out at [aka.ms/opensource/moderation-support](https://aka.ms/opensource/moderation-support)