Update dotnet SDK 8.0.300 (#204)

https://github.com/dotnet/core/blob/main/release-notes/8.0/8.0.5/8.0.5.md

Author: EEParker

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "8.0.201",
+    "version": "8.0.300",
     "rollForward": "latestPatch"
   }
 }