Target .NET 6 instead of .NET 7

.NET 6 is Long Term Support (LTS) and this project doesn't use any new API introduced in .NET 7 anyway.

Also cleanup migrations leftovers (App.config + AssemblyInfo.cs) for the azclient project.

Author: 0xced

Arkane.Zeroconf/Arkane.Zeroconf.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp7.0</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Version>1.3.0</Version>
     <Authors>Arkane Systems</Authors>

azclient/App.config

@@ -1,18 +1,17 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <OutputType>Exe</OutputType>
     <RootNamespace>ArkaneSystems.Arkane.Zeroconf.Client</RootNamespace>
-    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyTitle>Arkane.Zeroconf.Client</AssemblyTitle>
+    <Company>Arkane Systems</Company>
+    <Description>Zero Configuration (Bonjour) library client</Description>
+    <Product>Arkane.Zeroconf</Product>
+    <Version>0.9.1</Version>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\Arkane.ZeroConf\Arkane.ZeroConf.csproj" />
   </ItemGroup>
-  <ItemGroup>
-    <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
-    <PackageReference Include="System.Data.DataSetExtensions" Version="4.5.0" />
-    <PackageReference Include="Microsoft.DotNet.UpgradeAssistant.Extensions.Default.Analyzers" Version="0.4.421302">
-      <PrivateAssets>all</PrivateAssets>
-    </PackageReference>
-  </ItemGroup>
 </Project>