update target frameworks

mvdgun · mvdgun · commit 8d785f95a5fa · 2023-12-24T00:19:16.000-04:00
diff --git a/Directory.Build.props b/Directory.Build.props
@@ -1,6 +1,6 @@
 <Project>
     <PropertyGroup>
-        <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;net6.0;net7.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>netstandard2.0;netstandard2.1;net6.0;net7.0;net8.0</TargetFrameworks>
         <Nullable>enable</Nullable>
         <LangVersion>8.0</LangVersion>
         <NoWarn>NU1701</NoWarn>
