sync: update CI config files

[web3-bot]

Syncing to commit https://github.com/protocol/.github/commit/c775a3f1d59dcb0ca41f5e315dc7bf96324b8696.

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[mvdan]

@marten-seemann I think adding this repo might have been a bit premature. It requires installing extra libraries for the cgo stuff to build, at least on Linux. Our unified CI setup is far too simple to support this right now, I think.

[mvdan]

We've agreed to put this repo "on hold" for now. Will update the json and then close this PR.