Update SSC Representative for Jupyter Frontends (#794)

Co-authored-by: Michał Krassowski <[email protected]>

Author: jtpio

about.html

@@ -437,13 +437,13 @@
     affiliation: Simula Research Lab
     gh_handle: minrk
     subproject: JupyterHub and Binder
-  - name: Jeremy Tuloup
-    affiliation: QuantStack
-    photo: Jeremy_Tuloup.png
-    gh_handle: jtpio
-    twitter_handle: jtpio
-    linkedin: https://linkedin.com/in/jtuloup
-    personal: https://jtp.io
+  - name: Michał Krassowski
+    affiliation: Quansight
+    photo: Michal_Krassowski.jpg
+    mastodon: https://fosstodon.org/@krassowski
+    bluesky_handle: krassowski.bsky.social
+    gh_handle: krassowski
+    linkedin: https://www.linkedin.com/in/michal-krassowski/
     subproject: Jupyter Frontends
 
 trademark_subcomittee: