deps: Bump System.ServiceModel.Syndication from 9.0.8 to 9.0.9

---
updated-dependencies:
- dependency-name: System.ServiceModel.Syndication
  dependency-version: 9.0.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Directory.Packages.props

@@ -36,7 +36,7 @@
     <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.9" />
     <PackageVersion Include="NSubstitute" Version="5.3.0" />
     <!-- Sample Application Dependencies -->
-    <PackageVersion Include="System.ServiceModel.Syndication" Version="9.0.8" />
+    <PackageVersion Include="System.ServiceModel.Syndication" Version="9.0.9" />
     <!-- Aspire Dependencies -->
     <PackageVersion Include="Aspire.Hosting.AppHost" Version="9.3.1" />
     <PackageVersion Include="Aspire.Hosting.PostgreSQL" Version="9.3.1" />