Updated wrong Bluesky profile URL (#785)

Author: NiklasJordan

_layouts/default.html

@@ -42,7 +42,7 @@
   - title: Mastodon
     url: https://hachyderm.io/@ProjectJupyter
   - title: BlueSky
-    url: https://bsky.app/profile/projectjupyter.bsky.social
+    url: https://bsky.app/profile/jupyter.org
   - title: YouTube
     url: https://www.youtube.com/@projectjupyter
 legal:

social.md

@@ -20,7 +20,7 @@ If you are organizing a Jupyter event or have something Jupyter-related that sho
 
 List of channels actively maintained by JMS in alphabetical order:
 
-- Bluesky: https://bsky.app/profile/projectjupyter.bsky.social
+- Bluesky: https://bsky.app/profile/jupyter.org
 - Discourse: https://discourse.jupyter.org
 - LinkedIn: https://linkedin.com/company/project-jupyter
 - Medium: https://blog.jupyter.org