[DOCS-3648] Fix GTM head tag

[jrodewig]

Fixes the Google Tag Manager (GTM) head tag we include in the .NET driver's API reference docs.

Description

Currently, the GTM head tag is the same as the GTM body tag. As a result, GTM isn't set up correctly.

I've manually fixed the issue for the docs of previous releases. This ensures the tag is correct for future releases.

Also updates the publish-docs.sh script so that the latest symlink is correctly updated.

Motivation and context

Tracking for pageviews and other analytics.

How was the change tested?

N/A

Screenshots (if appropriate):

Change types

• • [x] Bug fix (non-breaking change that fixes an issue)
• • [ ] New feature (non-breaking change that adds functionality)
• • [ ] Breaking change (backwards-incompatible fix or feature)

Checklist:

• • [ ] My code follows the code style of this project.
• • [ ] My change requires a change to Fauna documentation.
• • [ ] My change requires a change to the README, and I have updated it accordingly.

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