fix: alt text for Soojeong Herring

Author: phette23

_data/community-support.yml

@@ -63,7 +63,7 @@ herring:
   last: Herring
   pronouns: she/her/hers
   img: /assets/img/conduct/soojeong-herring.jpg
-  img_alt:
+  img_alt: "A portrait of a woman with black mid length hair and a black dress, holding a vase of red and white flowers."
   slack_handle: Soojeong Herring
   onsite: true
   online: true