Update MicroStationTagExplorer.csproj

src/MicroStationTagExplorer/MicroStationTagExplorer.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
 
   <PropertyGroup>
-    <TargetFrameworks>net452;net461;netcoreapp3.0</TargetFrameworks>
+    <TargetFrameworks>net461;net5.0-windows</TargetFrameworks>
     <OutputType>WinExe</OutputType>
     <UseWPF>True</UseWPF>
     <GeneratePackageOnBuild>False</GeneratePackageOnBuild>