[chore] Update naming of google tag gateway, allow the robots

[jonnyparris]

Update the screenshots

Summary

Screenshots (optional)

Documentation checklist

• The documentation style guide has been adhered to.
• If a larger change - such as adding a new page- an issue has been opened in relation to any incorrect or out of date information that this PR fixes.
• Files which have changed name or location have been allocated redirects.

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PR Change Summary

Updated the Google tag gateway documentation for advertisers, enhancing clarity and usability.

• Added a new section for configuring the Google tag gateway for advertisers in the dashboard
• Included step-by-step instructions for enabling the Google tag gateway
• Updated screenshots to reflect the new configuration process

Added Files

• src/content/docs/google-tag-gateway/index.mdx

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[github-actions]

Preview URL: https://ed47935b.preview.developers.cloudflare.com
Preview Branch URL: https://ruskin-project-rename.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/google-tag-first-party-mode/	https://ruskin-project-rename.preview.developers.cloudflare.com/google-tag-first-party-mode/
https://developers.cloudflare.com/google-tag-gateway/	https://ruskin-project-rename.preview.developers.cloudflare.com/google-tag-gateway/