Only specify the .NET version instead.

Author: dlemstra

publish/Magick.NET.SystemDrawing.nuspec

@@ -25,7 +25,7 @@
         <dependency id="Magick.NET.Core" version="13.10.0" />
         <dependency id="System.Drawing.Common" version="8.0.7" />
       </group>
-      <group targetFramework="net8.0-windows7.0">
+      <group targetFramework="net8.0">
         <dependency id="Magick.NET.Core" version="13.10.0" />
         <dependency id="System.Drawing.Common" version="8.0.7" />
       </group>

publish/Magick.NET.SystemWindowsMedia.nuspec

@@ -21,12 +21,12 @@
       <group targetFramework=".NETFramework4.6.2">
         <dependency id="Magick.NET.Core" version="13.10.0" />
       </group>
-      <group targetFramework="net8.0-windows7.0">
+      <group targetFramework="net8.0">
         <dependency id="Magick.NET.Core" version="13.10.0" />
       </group>
     </dependencies>
     <frameworkReferences>
-      <group targetFramework="net8.0-windows7.0">
+      <group targetFramework="net8.0">
         <frameworkReference name="Microsoft.WindowsDesktop.App.WPF" />
       </group>
     </frameworkReferences>