Added .net8 libraries to appveyor

Author: EdwardCooke

appveyor.yml

@@ -32,22 +32,16 @@ artifacts:
   - path: YamlDotNet\bin\Release\netstandard2.1
     name: Release-NetStandard-2.1
 
-  - path: YamlDotNet\bin\Release\net45
-    name: Release-Net45
-
   - path: YamlDotNet\bin\Release\net47
     name: Release-Net47
 
-  - path: YamlDotNet\bin\Release\net35
-    name: Release-Net35
-
-  - path: YamlDotNet\bin\Release\net40
-    name: Release-UnitySubset-v35
-
   - path: YamlDotNet\bin\Release\net60
     name: Release-Net60
 
   - path: YamlDotNet\bin\Release\net70
     name: Release-Net70
 
+  - path: YamlDotNet\bin\Release\net80
+    name: Release-Net80
+
   - path: YamlDotNet\bin\*.nupkg