Get latest lists using querystring in the backend.

### Prerequisites

- [X] I have checked the [Wiki](https://github.com/AdguardTeam/AdGuardHome/wiki) and [Discussions](https://github.com/AdguardTeam/AdGuardHome/discussions) and found no answer

- [X] I have searched other issues and found no duplicates

- [X] I want to request a feature or enhancement and not ask a question

### Description

#### What problem are you trying to solve?
Get latest lists

#### Proposed solution
Allow option to auto append a version querystring in the url to get the latest list instead of waiting for cache update server side.
Such that when i click on the update button it will retrieve the latest list using the method below.

eg:
What I saved:
`https://foobar.com/list.txt`

On clicking the Update Lists button, AdGuardHome will auto add the version query string behind to get the latest list from the server in the backend.
`https://foobar.com/list.txt?version=`