Update URLs forwarding to HA blog posts (home-assistant#91698)

Author: JannickBlmndl

CODE_OF_CONDUCT.md

@@ -132,8 +132,8 @@ For answers to common questions about this code of conduct, see the FAQ at
 <https://www.contributor-covenant.org/faq>. Translations are available at
 <https://www.contributor-covenant.org/translations>.
 
-[coc-blog]: /blog/2017/01/21/home-assistant-governance/
-[coc2-blog]: /blog/2020/05/25/code-of-conduct-updated/
+[coc-blog]: https://www.home-assistant.io/blog/2017/01/21/home-assistant-governance/
+[coc2-blog]: https://www.home-assistant.io/blog/2020/05/25/code-of-conduct-updated/
 [email]: mailto:[email protected]
 [homepage]: http://contributor-covenant.org
 [mozilla]: https://github.com/mozilla/diversity