refs or cleanup

Author: SimonCropp

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "10.0.203",
+    "version": "10.0.300",
     "allowPrerelease": true,
     "rollForward": "latestFeature"
   },

src/Directory.Packages.props

@@ -9,7 +9,7 @@
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.5" />
     <PackageVersion Include="Polyfill" Version="10.5.1" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.174" />
-    <PackageVersion Include="System.CodeDom" Version="10.0.7" />
+    <PackageVersion Include="System.CodeDom" Version="10.0.8" />
     <PackageVersion Include="UnicodeInformation" Version="2.7.1" />
     <PackageVersion Include="Verify.TUnit" Version="31.16.3" />
     <PackageVersion Include="Argon" Version="0.33.5" />