update .NET SDK 10.0.100 from RC2 to GA

Author: Flash0ver

global.json

@@ -1,7 +1,7 @@
 {
   "sdk": {
-    "version": "10.0.100-rc.2.25502.107",
-    "workloadVersion": "10.0.100-rc.2.25513.4",
+    "version": "10.0.100",
+    "workloadVersion": "10.0.100",
     "rollForward": "disable",
     "allowPrerelease": false
   }