Update dependency gitlab to v4.20.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
gitlab (changelog)	'4.19.0' -> '4.20.1'

---

Release Notes

NARKOZ/gitlab (gitlab)

v4.20.1

Compare Source

Bugfixes

• Fixed availability of methods for project export API

v4.20.0

Compare Source

New features

• Added support for disabling two factor authentication (2FA) for the specified user #​646
• Added support for user memberships #​648
• Added total method to Gitlab::PaginatedResponse returning the count of records #​653
• Added support for user activation and deactivation #​657
• Added support for merge request diffs #​661
• Added support for project export API #​664
• Added support for group hooks API #​665
• Added support for merge trains API ##​672
• Added support for pipeline variables #​678
• Added support for runner API #​677
• Added support for the latest release #​679
• Added support for merge requests related to issue #​683
• Added support for pipeline metadata update #​685
• Added user_by_username method to search for single user #​688
• Added support for create service account and personal access tokens API #​689

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.

[yegor256]

@rultor please, try to merge, since 4 checks have passed

[rultor]

@rultor please, try to merge, since 4 checks have passed

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor please, try to merge, since 4 checks have passed

@yegor256 Done! FYI, the full log is here (took me 8min)