update digitalocean/godo to the latest stable version

[tariq1890]

This PR is needed as the godo version is archaic.

It also fixes problematic deps like

i) importing of digitalocean's custom context lib which has been since phased out.
ii) transitive import of launchpad.net/gocheck which is not hosted in a git repo.

[tariq1890]

/assign @Raffo

The build failure seems to be related to a coveralls problem.

Requesting your review on this :).

[Raffo]

@tariq1890 did you test this with a real cluster? I don't have infra to do so, but the PR looks good!

[tariq1890]

@Raffo Neither do I. We use the external-dns as a dependency and its transitive deps through godo impacts us.

What can we do to address this?

[jcodybaker]

Howdy! I'm an engineer with DigitalOcean's Kubernetes team. The PR looks good to me. I've verified it works properly on a DOKS cluster as well.

[hjacobs]

@jcodybaker btw, we (as External DNS maintainers) would also welcome any support/maintainers for Digital Ocean in External DNS --- e.g. test infra, maintainers for the DO code path etc.

[hjacobs]

/lgtm

[tariq1890]

Can this be merged?

[hjacobs]

/approve

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[timoreimann]

Hey @hjacobs

I don't have too much hands-on experience with external-dns yet, but I'd be happy to provide support and / or ownership for the DigitalOcean part nevertheless. The scope of the project seems reasonably sized for someone new to be able to become familiar with.

Feel free to ping me liberally on any DO matters (feature requests, but reports, triaging, etc.) and / or mark me as an owner for the relevant area per your discretion and the project's structure.

I'm also on the Kubernetes Slack for further discussions. Thanks!