Add Jesse Rosenberger to May 2020 agenda. (#403)

Author: abernix

agendas/2020-05-07.md

@@ -28,6 +28,7 @@ agenda, edit this file.*
 | ------------------------ | ------------------------ | ------------------------
 | Lee Byron                | GraphQL Foundation       | San Francisco, CA, US
 | Matt Farmer              | Individual Contrib       | Oakland, CA, US
+| Jesse Rosenberger        | Apollo                   | Helsinki, FI
 | Benjie Gillam ✏️          | Graphile                 | Southampton, UK
 | Wojciech Trocki          | IBM/Red Hat              | Dublin
 | Terrence Howard          | Individual Contrib       | Washington DC, US