chore(Code of Conduct): v2.1

CODE_OF_CONDUCT.md

@@ -115,8 +115,8 @@ the community.
 ## Attribution
 
 This Code of Conduct is adapted from the [Contributor Covenant][homepage],
-version 2.0, available at
-[https://www.contributor-covenant.org/version/2/0/code_of_conduct.html][v2.0].
+version 2.1, available at
+[https://www.contributor-covenant.org/version/2/1/code_of_conduct.html][v2.1].
 
 Community Impact Guidelines were inspired by
 [Mozilla's code of conduct enforcement ladder][Mozilla CoC].
@@ -126,7 +126,7 @@ For answers to common questions about this code of conduct, see the FAQ at
 at [https://www.contributor-covenant.org/translations][translations].
 
 [homepage]: https://www.contributor-covenant.org
-[v2.0]: https://www.contributor-covenant.org/version/2/0/code_of_conduct.html
+[v2.1]: https://www.contributor-covenant.org/version/2/1/code_of_conduct.html
 [Mozilla CoC]: https://github.com/mozilla/diversity
 [FAQ]: https://www.contributor-covenant.org/faq
 [translations]: https://www.contributor-covenant.org/translations