[TASK] Use the new contact email address in the code of conduct (#649)

Author: oliverklee

CODE_OF_CONDUCT.md

@@ -55,7 +55,7 @@ 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 (emogrifier at myintervals dot com).
+reported by contacting the project team at (coc-github at myintervals dot com).
 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