Update dependency CsharpToColouredHTML.Core to v2

Author: renovate[bot]

src/Markdown.ColorCode.CSharpToColoredHtml/Markdown.ColorCode.CSharpToColoredHtml.csproj

@@ -46,7 +46,7 @@
 
 	<ItemGroup>
     <PackageReference Include="ColorCode.Core" Version="2.0.15" />
-	  <PackageReference Include="CsharpToColouredHTML.Core" Version="1.0.44" />
+	  <PackageReference Include="CsharpToColouredHTML.Core" Version="2.0.0" />
 	</ItemGroup>
 
 	<ItemGroup>