Add contact email to CoC

docs/contributing-coc.md

@@ -60,8 +60,7 @@ representative at an online or offline event.
 ## Enforcement
 
 Instances of abusive, harassing, or otherwise unacceptable behavior may be
-reported to the community leaders responsible for enforcement at
-[INSERT CONTACT METHOD].
+reported to the community leaders responsible for enforcement at contact@external-secrets.io.
 All complaints will be reviewed and investigated promptly and fairly.
 
 All community leaders are obligated to respect the privacy and security of the