Updated Scam Blocker help page URLs

[mgurgel]

Asana Task/Github Issue: https://app.asana.com/1/137249556945/project/72649045549333/task/1210075972793596?focus=true

Description

The Phishing and Malware protection help page will be moved as part of the Scam Blocker rollout. This work updates that URL in special error pages

Figma

Preview: https://deploy-preview-1671--content-scope-scripts.netlify.app/build/pages/special-error/?errorId=phishing

Testing Steps

1. cd special-pages && npm run watch -- --page=special-error
2. Visit a phishing/malware/scam error page such as http://127.0.0.1:8000/?errorId=phishing
3. Confirm that the "Learn More link" points to to https://duckduckgo.com/duckduckgo-help-pages/privacy/scam-blocker (That URL is not yet available -- opening it now will take you to the DDG home)

Checklist

Please tick all that apply:

• [ ] I have tested this change locally
• [ ] I have tested this change locally in all supported browsers
• [ ] This change will be visible to users
• [ ] I have added automated tests that cover this change
• [ ] I have ensured the change is gated by config
• [ ] This change was covered by a ship review
• [ ] This change was covered by a tech design
• [ ] Any dependent config has been merged