[DOCS] Unsafe nodesecurity.io links in screenshots

[ecki]

This Screenshot contains a link to a scammy domain grabber selling nodesecurity.io

https://github.com/npm/documentation/blob/e0c36d32d04300607b128bbd2d9df645a15e2850/content/packages-and-modules/securing-your-code/about-audit-reports.mdx?plain=1#L7

Same Problem here in two screenshots

https://github.com/npm/documentation/blob/main/content/packages-and-modules/securing-your-code/auditing-package-dependencies-for-security-vulnerabilities.mdx?plain=1

Affected:

• audit-manual-review.png
• audit-report-results.png
• audit-report-suggested-fixes.png