Change user role from BJÖRK to BJOERK

Currently somewhere in the chain, the user role of Björk becomes kaputt,
resulting in BJ_RK. This should likely be fixed, but for now, let's
just adjust this dummy user in order to not create too many broken
events when uploading with Björk.

util/dummy-login/index.ts

@@ -74,7 +74,7 @@ const DUMMY_USERS: Record<string, { displayName: string; roles: string[]; email?
     },
     "björk": {
         displayName: "Prof. Björk Guðmundsdóttir",
-        roles: ["ROLE_USER_BJÖRK", "ROLE_EXTERNAL", "ROLE_TOBIRA_MODERATOR"],
+        roles: ["ROLE_USER_BJOERK", "ROLE_EXTERNAL", "ROLE_TOBIRA_MODERATOR"],
         email: "[email protected]",
     },
     "morgan": {