Student session fixes (again) (#331)

* add student sessions (draft 1)

* prepare for release

* fix imports

* more fixes

Author: DagHemberg

src/pages/attendees.astro

@@ -31,7 +31,7 @@ import WEIQ from "~/assets/companies/gamla/WEIQ.webp";
 import Volvo from "~/assets/companies/gamla/Volvo.webp";
 import MCA from "~/assets/companies/gamla/MCA.webp";
 import SverigesIngenjörer from "~/assets/companies/gamla/sveriges-ingenjorer.webp";
-import HiQ from "~/assets/companies/gamla/HiQ.webp";
+import HiQ from "~/assets/companies/gamla/HiQ_logo_black.png";
 import Sigma from "~/assets/companies/gamla/sigma.webp";
 import LINCSTEM from "~/assets/companies/gamla/LINC-STEM.webp";