Bump Polyfill from 10.3.0 to 10.4.0 (#880)

---
updated-dependencies:
- dependency-name: Polyfill
  dependency-version: 10.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

src/Directory.Packages.props

@@ -16,7 +16,7 @@
     <PackageVersion Include="NServiceBus.Newtonsoft.Json" Version="5.0.0" />
     <PackageVersion Include="NServiceBus.Transport.SqlServer" Version="9.0.1" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.174" />
-    <PackageVersion Include="Polyfill" Version="10.3.0" />
+    <PackageVersion Include="Polyfill" Version="10.4.0" />
     <PackageVersion Include="Verify.SqlServer" Version="12.1.1" />
     <PackageVersion Include="Verify.TUnit" Version="31.16.2" />
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.5" />