Fix type errors

Author: hasparus

src/app/(development)/workroom/page.tsx

@@ -16,6 +16,7 @@ export default function WorkroomPage() {
       "Denis is a software architect at The Guild. He is a passionate about GraphQL and the GraphQL ecosystem.",
     role: "speaker",
     socialurls: [],
+    "~years": [2025],
   }
 
   const saihaj: SchedSpeaker = {
@@ -28,6 +29,7 @@ export default function WorkroomPage() {
       "I'm an engineer focused on building developer tools, infrastructure, and application solutions, while experimenting with practical AI applications. Always accelerating efficiently.",
     role: "speaker",
     socialurls: [],
+    "~years": [2025],
   }
 
   return (

src/app/conf/_api/sched-data.tsx

@@ -1,7 +1,7 @@
-import { SchedSpeaker } from "./sched-types"
+import { ConferenceYear, SchedSpeaker } from "./sched-types"
 
 const allSpeakers: SchedSpeaker[] = require("../../../../scripts/sync-sched/speakers.json")
 
-export async function readSpeakers(year: "2025" | "2024" | "2023") {
+export async function readSpeakers(year: ConferenceYear) {
   return allSpeakers.filter(speaker => speaker["~years"].includes(year))
 }