Upgrade OCGV to use latest Terminal.Gui 1.7 package (#161)

Author: tig

src/Microsoft.PowerShell.ConsoleGuiTools/Microsoft.PowerShell.ConsoleGuiTools.csproj

@@ -6,7 +6,7 @@
 
     <ItemGroup>
         <PackageReference Include="Nstack.Core" Version="0.17.*" />
-        <PackageReference Include="Terminal.Gui" Version="1.6.*" />
+        <PackageReference Include="Terminal.Gui" Version="1.7.*" />
         <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.2.*" />
     </ItemGroup>