fix(deps): update module gitlab.com/gitlab-org/api/client-go/v2 to v2.54.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
gitlab.com/gitlab-org/api/client-go/v2	v2.53.0 → v2.54.0

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Release Notes

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

v2.54.0

Compare Source

2.54.0

🚀 Features

• Add custom attributes filtering for projects (!2965) by Giannis Kepas
• feat(feature_flags): support gitlabUserList and strategy removal (!2964) by Radek Antoniuk

🔄 Other Changes

• Add custom attributes filtering for users (!2967) by Giannis Kepas
• fix(workitems): Clear AssigneeIDs and CRMContactIDs when passed an empty slice to UpdateWorkItem (!2966) by Cesar Hinojosa

2.54.0 (2026-07-30)

Bug Fixes

• workitems: Clear AssigneeIDs and CRMContactIDs when passed an empty slice to UpdateWorkItem (294301f)

Features

• feature_flags: support gitlabUserList and strategy removal (4eb4dc1)

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