refs or cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -8,7 +8,7 @@
     <PackageVersion Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageVersion Include="OpenMcdf" Version="3.0.0" />
-    <PackageVersion Include="Polyfill" Version="8.0.0-beta.4" />
+    <PackageVersion Include="Polyfill" Version="8.0.0-beta.5" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.155" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
     <PackageVersion Include="Verify.XunitV3" Version="30.3.1" />

src/global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "9.0.300",
+    "version": "9.0.301",
     "allowPrerelease": true,
     "rollForward": "latestFeature"
   }