dep: Update to .NET 8.0

.github/workflows/CI.yaml

@@ -2,7 +2,7 @@ name: CI
 on: [push, pull_request, workflow_dispatch]
 env:
   ProjectName: ${{ github.event.repository.name }}
-  NET_TFM: net6.0-windows10.0.22621.0
+  NET_TFM: net8.0-windows10.0.22621.0
   Configuration: Release
 
 jobs:
@@ -12,7 +12,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: 6.0.x
+          dotnet-version: 8.0.x
 
       - name: Checkout code
         uses: actions/checkout@v4
@@ -36,7 +36,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: 6.0.x
+          dotnet-version: 8.0.x
 
       - name: Run tests
         working-directory: UnitTest
@@ -52,7 +52,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: 6.0.x
+          dotnet-version: 8.0.x
 
       - name: Build
         shell: pwsh
@@ -80,7 +80,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: 6.0.x
+          dotnet-version: 8.0.x
 
       - name: Build
         working-directory: ${{ matrix.PackageName }}

NatTypeTester/NatTypeTester.csproj

@@ -3,7 +3,7 @@
   <Import Project="..\common.props" />
 
   <PropertyGroup>
-    <TargetFramework>net6.0-windows10.0.22621.0</TargetFramework>
+    <TargetFramework>net8.0-windows10.0.22621.0</TargetFramework>
     <OutputType>WinExe</OutputType>
     <UseWPF>true</UseWPF>
     <Version>7.0.0</Version>

build.ps1

@@ -4,7 +4,7 @@ dotnet --info
 
 $proj = 'NatTypeTester'
 $exe = "$proj.exe"
-$net_tfm = 'net6.0-windows10.0.22621.0'
+$net_tfm = 'net8.0-windows10.0.22621.0'
 $configuration = 'Release'
 $output_dir = "$PSScriptRoot\$proj\bin\$configuration"
 $proj_path = "$PSScriptRoot\$proj\$proj.csproj"

common.props

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <LangVersion>latest</LangVersion>
     <Nullable>enable</Nullable>