Revise privacy and security FAQs

[ryanfullerton13]

Updated some existed FAQs and added a few new FAQs that keep coming up in prospect negotiations

[Copilot]

Pull Request Overview

This PR revises privacy and security FAQs by updating existing content and adding new frequently asked questions that arise during prospect negotiations. The changes enhance documentation clarity around data privacy, security practices, and compliance requirements.

• Updated terminology from "privacy policy" to "privacy notice" and refined privacy best practices
• Added new privacy FAQs covering zero-day retention, Data Privacy Framework compliance, and data usage policies
• Enhanced security recommendations and added new security FAQs about incident notification and vulnerability reporting

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[Copilot]

The updated text removes support for LDAP, Open ID, and other identity providers, now only mentioning SAML. This could mislead customers about available SSO options. If other protocols are still supported, they should be included; if not, this represents a significant feature reduction that should be clearly communicated.