You can ignore this warning, there is no guarantee all RSS Feed URL is HTTPS, we have to enable cleartext traffic, but we do use HTTPS whenever possible.
Is version code 14 the version you are trying to publish? It could be older version code. Please send a screenshot of app version code for the app you are trying to publish
Checkout the step 4
4. Publish your new Release, during publishing, you will get a warning again about Flurry SDK Policy violation, which you can ignore since the warning is against the older version of your release
Checkout this thread:
https://appyet.com/forum/index.php?threads/how-to-fill-out-data-safety-and-advertising-id-form-on-google-play-console.3857/
Please let me know if you need more help