fix(paid): new hostname added to paid checkpoint

[ekremney]

This PR adds a new domain to the ads feature flags - which is used to collect paid checkpoint.

If this PR is merged, then there is no need to merge this one.

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• [ ] make sure to link the related issues in this description
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[github-actions[bot]]

This PR will trigger a patch release when merged.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 36.90%. Comparing base (9c156a3) to head (5693c6a).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## 1.x #213 +/- ## ======================================= Coverage 36.90% 36.90% ======================================= Files 1 1 Lines 271 271 ======================================= Hits 100 100 Misses 171 171 ```

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[trieloff]

Let's go with #214 – please create a sibling for main