Add support for Google Analytics 4

[steven-solomon]

This PR makes the following changes:

• Replaces async GA template with _internal/google_analytics.html

Context

The Hugo documentation recommends using _internal/google_analytics.html for GA4.

closes https://github.com/theNewDynamic/gohugo-theme-ananke/issues/546

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[steven-solomon]

@regisphilibert, would you be willing to share your thoughts here too?

[regisphilibert]

I will next week.

[regisphilibert]

I think this is the right decision. I'll include a comment in the release that users not comfortable with this should overwrite the baseof.html to use the alternative internal google analytics.