Adds .NET 5.0, .NET 6.0, and .NET 8.0 targets

Adds .NET 5.0, .NET 6.0, and .NET 8.0 as target frameworks to the project.

This allows the library to be used in projects targeting these frameworks.

Author: codingseb

CodingSeb.ExpressionEvaluator/CodingSeb.ExpressionEvaluator.csproj

@@ -14,7 +14,7 @@
     <PackageLicenseUrl></PackageLicenseUrl>
     <PackageProjectUrl>https://github.com/codingseb/ExpressionEvaluator</PackageProjectUrl>
     <PackageTags>expression-evaluator evaluation math expression evaluate parser mathematical-expressions-evaluator mathematical-expressions script scripting evaluator csharp-script eval execute executescript evaluate-expressions expression-parser fluid calculations formula netcore netstandard net45 interpreter</PackageTags>
-    <TargetFrameworks>net462;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net462;netstandard2.0;net5.0;net6.0;net8.0</TargetFrameworks>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 	<Nullable>disable</Nullable>
     <PackageIconUrl>https://github.com/codingseb/ExpressionEvaluator/blob/master/Icon.png?raw=true</PackageIconUrl>