Not compatible with css-loader@3.0.0

I have `localIdentName` set to `'[path]___[name]__[local]___[hash:base64:5]'` in the `css-loader`, but as of 3.0.0 this generates a name (in css-loader) where slashes and dots aren't replaced with dashes but rather escaped.

That's a bit uglier to read now (anyway, they aren't really meant for humans) -- but the main problem is that this plugin now generates invalid `className` values because it's using the old logic.

Example:

className: `rb-client-js-modules-landing-___Landing-module__landing-page-card___kz6iY`
css: `.rb\/client\/js\/modules\/landing\/___Landing\.module__landing-page-card___kz6iY`

Comienza reproduciendo el ejemplo de css-loader@3.0.0 usando el localIdentName mostrado y, a continuación, sigue cómo este plugin deriva valores de className a partir de nombres de módulos CSS. Compara el className generado con el escaped CSS selector y verifica que ambos sigan siendo coherentes después del compatibility fix.

Escrito por el modelo de indexación a partir del texto del issue.