[CF1] RBI chrome webstore URL update

[deadlypants1973]

Summary

PCX-19335

Screenshots (optional)

Documentation checklist

• Is there a changelog entry (guidelines)? If you don't add one for something awesome and new (however small) — how will our customers find out? Changelogs are automatically posted to RSS feeds, the Discord, and X.
• The documentation style guide has been adhered to.
• If a larger change - such as adding a new page- an issue has been opened in relation to any incorrect or out of date information that this PR fixes.
• Files which have changed name or location have been allocated redirects.

[github-actions]

This pull request requires reviews from CODEOWNERS as it changes files that match the following patterns:

Pattern	Owners
/src/content/docs/cloudflare-one/policies/browser-isolation/	@maxvp, @ranbel, @cloudflare/pcx-technical-writing

[github-actions]

Preview URL: https://f006e1f8.preview.developers.cloudflare.com
Preview Branch URL: https://kate-fixes-browser-extent.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/cloudflare-one/policies/browser-isolation/extensions/	https://kate-fixes-browser-extent.preview.developers.cloudflare.com/cloudflare-one/policies/browser-isolation/extensions/