Fix nuget package icon.

Directory.Build.props

@@ -84,7 +84,7 @@
     <LangVersion>8.0</LangVersion>
     <NeutralLanguage>en</NeutralLanguage>
     <OverwriteReadOnlyFiles>true</OverwriteReadOnlyFiles>
-    <PackageIcon>icon.png</PackageIcon>
+    <PackageIcon>sixlabors.imagesharp.128.png</PackageIcon>
     <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
     <PackageProjectUrl>$(RepositoryUrl)</PackageProjectUrl>
     <ProduceReferenceAssembly>true</ProduceReferenceAssembly>
@@ -107,7 +107,7 @@
     <PackageReference Include="StyleCop.Analyzers" IsImplicitlyDefined="true"  />
     <AdditionalFiles Include="$(MSBuildThisFileDirectory)shared-infrastructure\stylecop.json" />
     <!--NuGet package icon source-->
-    <None Include="$(MSBuildThisFileDirectory)shared-infrastructure\branding\icons\imagesharp\sixlabors.imagesharp.128.png" Pack="true" PackagePath="\icon.png" />
+    <None Include="$(MSBuildThisFileDirectory)shared-infrastructure\branding\icons\imagesharp\sixlabors.imagesharp.128.png" Pack="true" PackagePath="" />
   </ItemGroup>
 
 </Project>