Bump System.IO.Packaging from 4.0.5.0 to 6.0.0

Resolved .net4.8 specific dependency issue

Author: stesee

.github/workflows/dotnet.yml

@@ -28,7 +28,7 @@ jobs:
 
   deployRelease:
     if: github.ref == 'refs/heads/main'
-    runs-on: ubuntu-latest
+    runs-on: windows-latest
     needs: build 
     steps:
     - uses: actions/checkout@v2
@@ -42,7 +42,7 @@ jobs:
       run: dotnet build --configuration Release --no-restore
     - name: NugetPush
       run: |
-          dotnet nuget push ./ClosedXML/bin/Release/*.nupkg --skip-duplicate --api-key ${{secrets.NUGET_TOKEN}} --source https://api.nuget.org/v3/index.json
+          dotnet nuget push .\ClosedXML\bin\Release\*.nupkg --skip-duplicate --api-key ${{secrets.NUGET_TOKEN}} --source https://api.nuget.org/v3/index.json
     - uses: "marvinpinto/action-automatic-releases@latest"
       with:
         repo_token: "${{ secrets.GITHUB_TOKEN }}"
@@ -55,7 +55,7 @@ jobs:
 
   deployTest:
     if: github.ref != 'refs/heads/main'
-    runs-on: ubuntu-latest
+    runs-on: windows-latest
     needs: build 
     steps:
     - uses: actions/checkout@v2
@@ -70,7 +70,7 @@ jobs:
     - name: NugetPush
       run: |
           ls ./ClosedXML/bin/Release
-          dotnet nuget push ./ClosedXML/bin/Release/*.nupkg --skip-duplicate --api-key ${{secrets.NUGET_TEST_TOKEN}} --source https://apiint.nugettest.org/v3/index.json
+          dotnet nuget push .\ClosedXML\bin\Release\*.nupkg --skip-duplicate --api-key ${{secrets.NUGET_TEST_TOKEN}} --source https://apiint.nugettest.org/v3/index.json
     - uses: "marvinpinto/action-automatic-releases@latest"
       with:
         repo_token: "${{ secrets.GITHUB_TOKEN }}"

ClosedXML/ClosedXML.csproj

@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
-		<TargetFrameworks>netstandard2.0</TargetFrameworks>
+		<TargetFrameworks Condition="'$(OS)' == 'Windows_NT' ">net48;netstandard2.0</TargetFrameworks>
+		<TargetFrameworks Condition="'$(OS)' != 'Windows_NT' ">netstandard2.0</TargetFrameworks>
 		<LangVersion>8.0</LangVersion>
 		<AssemblyName>ClosedXML</AssemblyName>
 		<PackageId>DocumentPartner.ClosedXML</PackageId>
@@ -33,7 +34,7 @@
 		<PackageRequireLicenseAcceptance>False</PackageRequireLicenseAcceptance>
 	</PropertyGroup>
 	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|netstandard2.0|AnyCPU'">
-	  <Optimize>True</Optimize>
+		<Optimize>True</Optimize>
 	</PropertyGroup>
 	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|netstandard2.0|AnyCPU'">
 	</PropertyGroup>
@@ -57,4 +58,8 @@
 		<PackageReference Include="SkiaSharp" Version="2.80.2" />
 		<PackageReference Include="SkiaSharp.NativeAssets.Linux.NoDependencies" Version="2.80.2" />
 	</ItemGroup>
-</Project>
+
+	<ItemGroup Condition="$(TargetFramework.StartsWith('net4'))">
+		<PackageReference Include="System.IO.Packaging" Version="6.0.0" />
+	</ItemGroup>
+</Project>

ClosedXML_Sandbox/ClosedXML_Sandbox.csproj

@@ -16,7 +16,4 @@
 		<ProjectReference Include="..\ClosedXML\ClosedXML.csproj" />
 	</ItemGroup>
 
-	<ItemGroup Condition="$(TargetFramework.StartsWith('net4'))">
-		<PackageReference Include="System.IO.Packaging" Version="4.0.5.0" />
-	</ItemGroup>
 </Project>

ClosedXML_Tests/ClosedXML_Tests.csproj

@@ -19,9 +19,7 @@
 		<EmbeddedResource Include="Resource\Images\*.jpg" />
 	</ItemGroup>
 
-	<ItemGroup Condition="$(TargetFramework.StartsWith('net4'))">
-		<PackageReference Include="System.IO.Packaging" Version="6.0.0" />
-	</ItemGroup>
+
 
 	<ItemGroup>
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />