Update dependencies, require .NET 8

Author: jnm2

src/RdpNotifier/RdpNotifier.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net6.0-windows</TargetFramework>
+    <TargetFramework>net8.0-windows</TargetFramework>
     <Nullable>enable</Nullable>
     <UseWindowsForms>true</UseWindowsForms>
     <AssemblyName>RDP Notifier</AssemblyName>
@@ -24,7 +24,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Windows.CsWin32" Version="0.1.635-beta" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.Windows.CsWin32" Version="0.3.49-beta" PrivateAssets="all" />
     <PackageReference Include="PropertyChangedAnalyzers" Version="4.0.0" PrivateAssets="all" />
   </ItemGroup>