Upgrade Atata.Cli package to v2.0.0-beta.1; Upgrade Atata.Cli.Npm package to v2.0.0-beta.1

Author: YevgeniyShunevych

src/Atata.Cli.HtmlValidate/Atata.Cli.HtmlValidate.csproj

@@ -16,8 +16,8 @@ Requires html-validate (https://www.npmjs.com/package/html-validate) NPM package
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Atata.Cli" Version="1.4.0" />
-    <PackageReference Include="Atata.Cli.Npm" Version="1.4.0" />
+    <PackageReference Include="Atata.Cli" Version="2.0.0-beta.1" />
+    <PackageReference Include="Atata.Cli.Npm" Version="2.0.0-beta.1" />
   </ItemGroup>
 
 </Project>