DOCS-2472: Add deprecation notice for container threat detection

[ctauchen]

• DOCS-2472: Adds deprecation notice to container threat detection

Product Version(s):

Issue:

Link to docs preview:

SME review:

• An SME has approved this change.

DOCS review:

• A member of the docs team has approved this change.

Additional information:

Merge checklist:

• Deploy preview inspected wherever changes were made
• Build completed successfully
• Test have passed

[netlify]

✅ Deploy Preview succeeded!

Built without sensitive environment variables

Name	Link
🔨 Latest commit	ad71082
🔍 Latest deploy log	https://app.netlify.com/sites/tigera/deploys/67ab6919bfe5bf0008d9dab9
😎 Deploy Preview	https://deploy-preview-1896--tigera.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.
Lighthouse	1 paths audited Performance: 24 (🔴 down 4 from production) Accessibility: 90 (no change from production) Best Practices: 83 (no change from production) SEO: 92 (no change from production) PWA: - View the detailed breakdown and full score reports

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[netlify]

✅ Deploy Preview for calico-docs-preview-next ready!

Name	Link
🔨 Latest commit	ad71082
🔍 Latest deploy log	https://app.netlify.com/sites/calico-docs-preview-next/deploys/67ab6919ad592300080be3f0
😎 Deploy Preview	https://deploy-preview-1896--calico-docs-preview-next.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[ctauchen]

CC @gantony @tmjd