fix(docs): correct data center number in Argo Smart Routing section

[keyurgovrani]

Summary

This PR addresses a discrepancy in the Cloudflare CDN Reference Architecture documentation, specifically in the Argo Smart Routing section. In Figure 7, the diagram illustrates a request being routed from Data Center 1 to Data Center 6. However, the accompanying text incorrectly states that the request is sent to Data Center 4. This update corrects the textual reference to align with the diagram, ensuring consistency and accuracy in the documentation.

Screenshots (optional)

Documentation checklist

• The documentation style guide has been adhered to.

[hyperlint-ai]

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PR Change Summary

Corrected the data center reference in the Argo Smart Routing section of the Cloudflare CDN Reference Architecture documentation to ensure accuracy and consistency with the accompanying diagram.

• Updated the text to reflect the correct data center number in the Argo Smart Routing section
• Ensured consistency between the diagram and the accompanying text
• Adhered to the documentation style guide

Modified Files

• src/content/docs/reference-architecture/architectures/cdn.mdx

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