Bump Polyfill from 10.3.0 to 10.4.0

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/Directory.Packages.props

@@ -11,7 +11,7 @@
     <PackageVersion Include="NUnit" Version="4.6.0" />
     <PackageVersion Include="NUnit3TestAdapter" Version="6.2.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.174" />
-    <PackageVersion Include="Polyfill" Version="10.3.0" />
+    <PackageVersion Include="Polyfill" Version="10.4.0" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
     <PackageVersion Include="Verify.NUnit" Version="31.16.2" />
     <PackageVersion Include="Argon" Version="0.33.5" />