refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -8,13 +8,13 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageVersion Include="Mockly" Version="1.5.0" />
     <PackageVersion Include="NUnit3TestAdapter" Version="6.2.0" />
-    <PackageVersion Include="Polyfill" Version="10.5.1" />
+    <PackageVersion Include="Polyfill" Version="10.6.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.174" />
     <PackageVersion Include="Verify" Version="31.16.3" />
     <PackageVersion Include="Verify.NUnit" Version="31.16.3" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.5" />
-    <PackageVersion Include="Argon" Version="0.33.5" />
+    <PackageVersion Include="Argon" Version="0.34.0" />
     <PackageVersion Include="DiffEngine" Version="19.2.0" />
     <PackageVersion Include="EmptyFiles" Version="8.18.1" />
     <PackageVersion Include="SimpleInfoName" Version="3.2.0" />

src/global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "10.0.103",
+    "version": "10.0.300",
     "allowPrerelease": true,
     "rollForward": "latestFeature"
   }