🌱 (chore): wrap errors using '%w' and improve formatting in golang plugin

[kersten]

Replaced usage of %v with %w in fmt.Errorf calls to enable proper error chaining across:

• pkg/plugins/golang/repository.go
• go_version.go
• v4/scaffolds/api.go

Also improved formatting by quoting dynamic values with %q and removed redundant error wrapping logic.

[k8s-ci-robot]

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[camilamacedo86]

Thanks for the update! Improvements that follow Go best practices. No logic changes, so it's safe to merge. 👍

/lgtm
/approve
/ok-to-test

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: camilamacedo86, kersten

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[camilamacedo86]

/lgtm