Drop Faraday 1.x compatability

[arielvalentin]

Faraday 1.x has not received updates in the past 2 years: https://github.com/lostisland/faraday/tree/1.x

Lets focus on 2+ going forward.

[github-actions]

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[dazuma]

Note that Faraday 1.10.5 was released a week ago to fix a CVE: https://rubygems.org/gems/faraday/versions/1.10.5
So 1.x still seems to be getting security updates at least.