[Threat intelligence] Rename Security Center to Threat intelligence

[Maddy-Cloudflare]

No description provided.

[github-actions]

This PR requires additional review attention because it affects the following areas:

Redirects

This PR changes current filenames or deletes current files. Make sure you have redirects set up to cover the following paths:

• /learning-paths/application-security/security-center/brand-protection/
• /learning-paths/application-security/security-center/
• /learning-paths/application-security/security-center/insights/
• /security-center/brand-protection/
• /security-center/changelog/
• /security-center/cloudforce-one/cloudforce-one/
• /security-center/cloudforce-one/
• /security-center/cloudforce-one/open-port-scanning/
• /security-center/get-started/
• /security-center/
• /security-center/indicator-feeds/
• /security-center/infrastructure/
• /security-center/infrastructure/security-file/
• /security-center/intel-apis/
• /security-center/intel-apis/limits/
• /security-center/intel-apis/manage-miscategorization-reports/
• /security-center/investigate/change-categorization/
• /security-center/investigate/
• /security-center/investigate/investigate-threats/
• /security-center/investigate/scan-limits/

Partials

This PR updates partial files, which are pieces of content used across multiple files in our Render component.

• fundamentals/account-permissions-table - view affected files
• learning-paths/zero-trust/threat-intelligence-automation - view affected files

[github-actions]

This pull request requires reviews from CODEOWNERS as it changes files that match the following patterns:

Pattern	Owners
/public/__redirects	@cloudflare/content-engineering, @cloudflare/pcx-technical-writing, @cloudflare/product-owners
/src/content/changelog/	@cloudflare/pm-changelogs, @cloudflare/pcx-technical-writing, @cloudflare/product-owners
*	@cloudflare/pcx-technical-writing, @cloudflare/product-owners
/src/content/docs/analytics/	@soheiokamoto, @angelampcosta, @rianvdm, @dcpena, @cloudflare/pcx-technical-writing, @cloudflare/product-owners
/src/content/docs/api-shield/	@patriciasantaana, @cloudflare/pcx-technical-writing, @cloudflare/product-owners
/src/content/docs/cache/	@angelampcosta, @dcpena, @cloudflare/pcx-technical-writing, @cloudflare/product-owners
/src/content/docs/client-side-security/	@pedrosousa, @cloudflare/pcx-technical-writing, @cloudflare/product-owners
/src/content/docs/cloudflare-one/	@ranbel, @Maddy-Cloudflare, @codyanthony850, @cloudflare/pcx-technical-writing, @cloudflare/product-owners
/src/content/docs/cloudflare-one/traffic-policies/	@Maddy-Cloudflare, @codyanthony850@cloudflare/pcx-technical-writing, @cloudflare/product-owners
/src/content/docs/ddos-protection/	@patriciasantaana, @cloudflare/pcx-technical-writing, @cloudflare/product-owners
/src/content/docs/fundamentals/	@dcpena, @cloudflare/pcx-technical-writing, @cloudflare/product-owners
/src/content/docs/learning-paths/	@cloudflare/pcx-technical-writing, @cloudflare/product-owners
/src/content/docs/radar/	@andre-j3sus, @cloudflare/pcx-technical-writing, @cloudflare/product-owners
/src/content/docs/reference-architecture/	@securitypedant, @cloudflare/pcx-technical-writing, @cloudflare/product-owners
/src/content/docs/waf/	@pedrosousa, @cloudflare/firewall, @cloudflare/pcx-technical-writing, @cloudflare/product-owners

[github-actions]

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