fix(ci): Remove `go get` to avoid unwanted changes to `go.sum` files (#11542)

#### Summary

Same as https://github.com/cloudquery/cloudquery/pull/11541 not from a fork.

>I'm actually not sure why we have this step, but it can change `go.sum` and fail the `git diff` detection step.
If we want we can add a step that does `go mod tidy` and then check for changes, which will be more accurate for checking changes to `mod` and `sum` files.

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