[Package Request]: McAfee WebAdvisor

Nobody has claimed this yet.

### How can we help?

I would like someone else to build the manifest.

### Please read and ensure the following

- [x] The installer meets the above requirements

### Please provide the following information

Download Page Url: https://www.mcafee.com/en-gb/safe-browser/mcafee-webadvisor.html
Publisher: McAfee
Package Name: McAfee WebAdvisor
Description: Search confidently and browse safely with the free WebAdvisor.
Package Version: Varies; changes every 3〜8 days.
Installer Url: https://sadownload.mcafee.com/products/sa/website/WebAdvisorInstaller.exe
——————————————————
Notes from me:
* I got *monumentally* burnt out by #401142. So someone else would need to pick up the mantle. Quoting the various motivations for adding the app:

* * *"1. Similar to in #400815, it unfortunately comes pre-added on many Windows laptops, and thus it's reasonably fair that Winget covers those laptop configurations too."*
* * *"2. The Winget package would hopefully make it easier to **un**install WebAdvisor, because then they can run `winget rm mcafee.webadvisor` or `winget rm mcafeewebadvisor`."*

* What eventually proved to be the killer for at least my PR:
* * #404478.

Review the supplied download page and installer URL, then read the concerns referenced in issue #404478 before starting. If the request is viable, use the provided publisher, package name, description, version information, and installer details to create the McAfee WebAdvisor manifest; done means the manifest is ready for review.

Written by the indexing model from the issue text.