Bump version. Explicitly add .NET 6.0 support. Drop .NET 4.5 support.

Author: CXuesong

MwParserFromScratch/MwParserFromScratch.csproj

@@ -1,15 +1,15 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard1.1;net45;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>netstandard1.1;netstandard2.0;net6.0</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
 
     <AssemblyName>MwParserFromScratch</AssemblyName>
     <PackageId>CXuesong.MW.MwParserFromScratch</PackageId>
     <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
     <PackageProjectUrl>https://github.com/CXuesong/MwParserFromScratch</PackageProjectUrl>
     <Authors>CXuesong</Authors>
-    <Version>0.3.0-int.4</Version>
+    <Version>0.3.0-int.5</Version>
     <PackageTags>MediaWiki Wikitext Parser</PackageTags>
     <RepositoryUrl>https://github.com/CXuesong/MwParserFromScratch</RepositoryUrl>
     <RepositoryType>Git</RepositoryType>