Updated Bluesky profile URL in global Footer

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: