docs: fix cookie notification

[YanisaHS]

Issue

Fixing the cookie notification, accidentally removed it in #237

Solution

Added the cookie notification link (updated to the new location)

Checklist

• I have added or updated relevant documentation.
• PR title makes an appropriate release note and follows conventional commits syntax.
• Merge target is the correct branch, and relevant tandem backport PRs opened.

Testing Instructions

Run it in incognito mode if you don't see the notification popup when you test.

[sinapah]

Thanks @YanisaHS! Please LMK if the PR is ready to merge.

[YanisaHS]

@sinapah ready to merge! Thanks!