Translate CSP configuration prose updates to es, fr, zh

[mintlify-development]

Summary

• Translated updated CSP directive descriptions and frontmatter (description, keywords) from deploy/csp-configuration.mdx into Spanish, French, and Chinese
• Changes reflect the simplified wording from PR Remove api.mintlifytrieve.com from CSP docs #4564 (e.g., "firewalls" → "firewall rules", streamlined directive descriptions)

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Note

Low Risk
Low risk documentation-only changes to localized MDX content; no functional or configuration behavior changes.

Overview
Updates localized csp-configuration.mdx pages in Spanish, French, and Chinese to align with the latest CSP copy.

Refreshes frontmatter description/keywords and streamlines the wording for the CSP directives section (plus minor punctuation/wording fixes in French and Spanish).

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