Update global.json to SDK 9 (#263)

Update .NET SDK to 9.0.100

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **New Features**
- Updated SDK version to a stable release for improved performance and
reliability.
- **Chores**
	- Minor formatting change for better file structure.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

global.json

@@ -1,9 +1,9 @@
 {
   "sdk": {
-    "version": "9.0.100-rc.2.24474.11",
+    "version": "9.0.100",
     "rollForward": "disable"
   },
   "msbuild-sdks": {
     "DotNet.ReproducibleBuilds.Isolated": "1.2.25"
   }
-}
+}