chore(deps): update module gitlab.com/gitlab-org/api/client-go/v3 to v3.15.0

This MR contains the following updates:

Package	Type	Update	Change
gitlab.com/gitlab-org/api/client-go/v3	require	minor	v3.14.0 → v3.15.0

MR created with the help of gitlab-org/frontend/renovate-gitlab-bot

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Release Notes

gitlab-org/api/client-go (gitlab.com/gitlab-org/api/client-go/v3)

v3.15.0

Compare Source

3.15.0

🚀 Features

• feat(system_hooks): add seven fields GitLab sends to the Hook struct (!3048) by José M. Requena Plens

3.15.0 (2026-09-28)

Features

• system_hooks: add seven fields GitLab sends to the Hook struct (91cb5f3)

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