build: use .NET 11 SDK on build

nogic1008 · nogic1008 · commit a9d4ba87b61e · 2026-05-13T03:17:04.000+09:00
diff --git a/global.json b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "10.0.203",
+    "version": "11.0.100-0",
     "rollForward": "latestFeature",
     "allowPrerelease": false
   },
