chore(deps): update dependency basic.reference.assemblies.net80 to 1.8.4 (#333)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/Directory.Packages.props

@@ -41,7 +41,7 @@
     <PackageVersion Include="Verify.NUnit" Version="31.7.2" />
     <PackageVersion Include="Verify.SourceGenerators" Version="2.5.0" />
     <PackageVersion Include="ReactiveMarbles.SourceGenerator.TestNuGetHelper" Version="1.3.1" />
-    <PackageVersion Include="Basic.Reference.Assemblies.Net80" Version="1.8.3" />
+    <PackageVersion Include="Basic.Reference.Assemblies.Net80" Version="1.8.4" />
     <PackageVersion Include="Basic.Reference.Assemblies.Net80Windows" Version="1.8.3" />
   </ItemGroup>
 </Project>