Bump ReportGenerator from 5.3.8 to 5.3.9

Bumps [ReportGenerator](https://github.com/danielpalme/ReportGenerator) from 5.3.8 to 5.3.9.
- [Release notes](https://github.com/danielpalme/ReportGenerator/releases)
- [Commits](danielpalme/ReportGenerator@v5.3.8...v5.3.9)

---
updated-dependencies:
- dependency-name: ReportGenerator
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Directory.Packages.props

@@ -12,6 +12,6 @@
     <PackageVersion Include="BenchmarkDotNet" Version="0.14.0" />
     <PackageVersion Include="coverlet.msbuild" Version="6.0.2" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.11.0" />
-    <PackageVersion Include="ReportGenerator" Version="5.3.8" />
+    <PackageVersion Include="ReportGenerator" Version="5.3.9" />
   </ItemGroup>
 </Project>