fix(deps): update module gitlab.com/gitlab-org/api/client-go/v2 to v2.40.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
gitlab.com/gitlab-org/api/client-go/v2	v2.39.0 → v2.40.0

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Release Notes

gitlab-org/api/client-go (gitlab.com/gitlab-org/api/client-go/v2)

v2.40.0

Compare Source

2.40.0

🚀 Features

• feat: add support for container registry tag protection rules (!2919) by Prakash Divy

2.40.0 (2026-06-20)

Features

• add support for container registry tag protection rules (8083227)

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