[Deno Deploy] Update .github/workflows/deploy.yml

Author: deno-deploy[bot]

.github/workflows/deploy.yml

@@ -32,7 +32,7 @@ jobs:
         run: "npm install"
 
       - name: Build step
-        run: "tsc"
+        run: "denobuild"
 
       - name: Upload to Deno Deploy
         uses: denoland/deployctl@v1