[BUG] Link to Alby Browser Extension from main Alby README is broken

### Is there an existing issue for this?

- [x] I have searched the existing issues

### Describe the bug

The link to this product is broken from the main repo readme page:

https://github.com/getAlby/.github/blob/main/profile/README.md

https://getalby.com/products/browser-extension is a 404

### Screenshots [optional]

_No response_

### Steps To Reproduce

1. Visit https://github.com/getAlby/.github/blob/main/profile/README.md
2. Click the link for the Alby Browser Extension

### Expected behavior

Link should open the correct page.

### Alby information

GitHub issue only

### Device information

_No response_

### Additional context

_No response_

### Are you working on this?

No

Open .github/profile/README.md and reproduce the broken Alby Browser Extension link from the main profile README. Replace the 404 destination with the correct product page, then verify that the link opens successfully from the rendered README.

Written by the indexing model from the issue text.