[CF1] IA revamp: Access posture checks

[ranbel]

PCX-19511

[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:

• /cloudflare-one/reusable-components/posture-checks/access-integrations/mutual-tls-authentication/

[github-actions]

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

Pattern	Owners
/src/content/docs/cloudflare-one/access-controls/	@kennyj42, @ranbel, @cloudflare/pcx-technical-writing

[github-actions]

Preview URL: https://a6d3ece9.preview.developers.cloudflare.com
Preview Branch URL: https://ranbel-cf1-ia-posture-checks.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/cloudflare-one/access-controls/service-credentials/mutual-tls-authentication/	https://ranbel-cf1-ia-posture-checks.preview.developers.cloudflare.com/cloudflare-one/access-controls/service-credentials/mutual-tls-authentication/

[github-actions]

CI run failed: build logs