Summary: Core Email Protection added

Why It Matters: This change adds a new product to the website. It shows a new focus on email protection.

What Changed:

• The product "Prime Threat Protection" was changed to "Threat Protection" with a new description.
• "Core Email Protection" was added as a new product under "Threat Protection".
• "User Protection" and "Impersonation Protection" products were removed.
• "Data Security & Governance" description was updated.
• "Data & SaaS Security Posture" description was updated.
• "Human Resilience" was added as a new product category.
• Many new products were added under "More Proofpoint Products", including "Archive", "Automate", "Capture", "CASB", "Discover", "Email DLP & Encryption", "Endpoint DLP", "Patrol", "Supervision", and "Track".
• The product "ZenGuide" was moved and its description was updated.