Update CONTRIBUTING.md - update report email

Author: antja0

Diff for: CONTRIBUTING.md

@@ -91,7 +91,7 @@ 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 support@3d.fi.
+reported to the community leaders responsible for enforcement at reports@3d.fi.
 All complaints will be reviewed and investigated promptly and fairly.
 
 All community leaders are obligated to respect the privacy and security of the