Update global.json (#1454)

Use the new paths feature and allow newer SDKs when building

https://learn.microsoft.com/en-us/dotnet/core/tools/global-json#paths

Author: ViktorHofer

global.json

@@ -1,4 +1,14 @@
 {
+  "sdk": {
+    "version": "10.0.100-preview.7.25322.101",
+    "allowPrerelease": true,
+    "rollForward": "latestFeature",
+    "paths": [
+      ".dotnet",
+      "$host$"
+    ],
+    "errorMessage": "The required .NET SDK wasn't found. Please run ./eng/common/dotnet.cmd/sh to install it."
+  },
   "tools": {
     "dotnet": "10.0.100-preview.7.25322.101"
   },