Update CODE_OF_CONDUCT.md (pytorch#310)

Summary:
Updating the email address in the code of conduct.
Pull Request resolved: pytorch#310

Reviewed By: jianyuh

Differential Revision: D20419358

Pulled By: jspark1105

fbshipit-source-id: a3c4c357ea0fe3a0a8542f59ec908800b20660d9

CODE_OF_CONDUCT.md

@@ -55,7 +55,7 @@ a project may be further defined and clarified by project maintainers.
 ## Enforcement
 
 Instances of abusive, harassing, or otherwise unacceptable behavior may be
-reported by contacting the project team at <opensource-conduct@fb.com>. All
+reported by contacting the project team at <conduct@pytorch.org>. All
 complaints will be reviewed and investigated and will result in a response that
 is deemed necessary and appropriate to the circumstances. The project team is
 obligated to maintain confidentiality with regard to the reporter of an incident.