update tools .net version

tools/traceabilitytool/traceability_tool/app.config

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2"/>
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
     </startup>
 </configuration>

tools/traceabilitytool/traceability_tool/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="DocumentFormat.OpenXml" version="2.20.0" targetFramework="net48" />
+</packages>

tools/traceabilitytool/traceability_tool/properties/settings.designer.cs

@@ -12,7 +12,7 @@ namespace TraceabilityTool.properties {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.5.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.6.0.0")]
     internal sealed partial class settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static settings defaultInstance = ((settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new settings())));

tools/traceabilitytool/traceability_tool/traceabilitytool.csproj

@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>TraceabilityTool</RootNamespace>
     <AssemblyName>traceabilitytool</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <IsWebBootstrapper>false</IsWebBootstrapper>
     <PublishUrl>..\Setup\</PublishUrl>
@@ -67,8 +67,17 @@
   <PropertyGroup>
     <ApplicationManifest>Properties\app.manifest</ApplicationManifest>
   </PropertyGroup>
+  <PropertyGroup>
+    <StartupObject>TraceabilityTool.Program</StartupObject>
+  </PropertyGroup>
+  <PropertyGroup>
+	<GenerateResourceMSBuildArchitecture>CurrentArchitecture</GenerateResourceMSBuildArchitecture>
+	<GenerateResourceMSBuildRuntime>CurrentRuntime</GenerateResourceMSBuildRuntime>
+  </PropertyGroup>	
   <ItemGroup>
-    <Reference Include="DocumentFormat.OpenXml, Version=2.5.5631.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL" />
+    <Reference Include="DocumentFormat.OpenXml, Version=2.20.0.0, Culture=neutral, PublicKeyToken=8fb06cb64d019a17, processorArchitecture=MSIL">
+      <HintPath>..\packages\DocumentFormat.OpenXml.2.20.0\lib\net46\DocumentFormat.OpenXml.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
@@ -110,6 +119,7 @@
       <DependentUpon>resources.resx</DependentUpon>
       <DesignTime>True</DesignTime>
     </Compile>
+    <None Include="packages.config" />
     <None Include="properties\app.manifest" />
     <None Include="properties\settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>