net.Error.Temporary() is Deprecated in Go 1.18

[mikkeloscar]

In Go 1.18 the net.Error.Temporary() method we use in a few places is deprecated. We should consider removing it.

For now we upgraded to 1.18 ignoring the deprecation

[demonCoder95]

I believe given the package documentation, Temporary can be replaced by Timeout since most temporary errors are just timeout. This can be fixed by a simple refactor by replacing the method with the new one. In places that we have both, we can just drop the Temporary.

[szuecs]

We should review our production logs for the relevant error strings and check if we see something or if you are right with your replacement suggestion.

[demonCoder95]

That's a good idea! I can take a look to double-check before we move ahead with the PR.