Use https://elastic-release-api.s3.us-west-2.amazonaws.com/public/active-branches.txt

[v1v]

Use https://elastic-release-api.s3.us-west-2.amazonaws.com/public/active-branches.txt

Instead of https://storage.googleapis.com/artifacts-api/snapshots/branches.json

And simplify the implementation in this repository for using the new endpoint provided by the release team