Update CODE_OF_CONDUCT.md

[grctest]

General

Closes #3635

When I reported a breach of code of conduct, no action was taken.

Code Preparation

Please review all your changes one last time before committing

• Check for unused code
• No unrelated changes are included
• None of the changed files are reformatting only
• Code is self explanatory or documented
• All written text is properly translated (english language)

Testing

The branch has been tested on the following browsers (desktop and mobile view)

• Chrome
• Opera
• Firefox
• Safari