PUT MergeRequest API endpoint - accept labels as an array

See merge request gitlab-org/gitlab-ce!19914

Expose merge request entity for pipelines

See merge request gitlab-org/gitlab-ce!25679

Resolve "Introduce zoom and scroll functionality on metrics charts"

Closes #57085

See merge request gitlab-org/gitlab-ce!25388

Adds the ability to change data zoom for metrics graphs

Resolve "Limit Group Security Dashboard to selected types of vulnerabilities"

Closes #9393

See merge request gitlab-org/gitlab-ee!9626

Allow protected branch creation via web and API

Closes #53361

See merge request gitlab-org/gitlab-ce!24969

This commit includes changes to add `UserAccess#can_create_branch?`
which will check whether the user is allowed to create a branch even
if it matches a protected branch.

This is used in `Gitlab::Checks::BranchCheck` when the branch name
matches a protected branch.

A `push_to_create_protected_branch` ability in `ProjectPolicy` has been
added to allow Developers and above to create protected branches.

Use optional encryption strategy for Runners Tokens

Closes #54859

See merge request gitlab-org/gitlab-ce!25532

This makes code to support encrypted runner tokens.
This code also finished previously started encryption
process.

EE: Use optional encryption strategy for Runners Tokens

See merge request gitlab-org/gitlab-ee!9841

Fix object storage link in doc

See merge request gitlab-org/gitlab-ce!25791

CE FE Add PersistentUserCallout factory method

See merge request gitlab-org/gitlab-ce!25481

Resolve "Add Saturday to Localization first day of the week"

Closes #58023

See merge request gitlab-org/gitlab-ce!25509

EE Port: Add Saturday to first day of the week

Closes gitlab-ce#58023

See merge request gitlab-org/gitlab-ee!9797

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/58023

- docs for adding Saturday for first day of the week
- add related settings for Saturday as first day of the week
- firstDayOfWeek: Use enumeration, replace day's numbers with
  corresponding names
- make some variables lowercase (follow camelCase)
- add CHANGELOG entry

Author:    haghighi_ahmad <haghighi.ahmad@gmail.com>

Fix Approval UI showing up for free plan

Closes #9908

See merge request gitlab-org/gitlab-ee!9819

Signed-off-by: Takuya Noguchi <takninnovationresearch@gmail.com>

* Support label parameter as comma separated and array of strings
for merge requests and issues api endpoints

Update dependency @gitlab/ui to ^2.2.0

See merge request gitlab-org/gitlab-ce!25795

API: delete job_artifacts of a single job

See merge request gitlab-org/gitlab-ce!25522

Ee feature/api delete job artifacts

See merge request gitlab-org/gitlab-ee!9774

Fix spelling and other minor improvements

See merge request gitlab-org/gitlab-ce!25784

Use set instead of let blocks

Closes #10054

See merge request gitlab-org/gitlab-ee!9827

Accept force option on commit via API

Closes #45035

See merge request gitlab-org/gitlab-ce!25286

When `force` is set to `true` and `start_branch` is set, the
branch will be ovewritten with the new commit based on the
`HEAD` of the `start_branch`.

This commit includes changes to update the `gitaly-proto` gem.

Use factory method to DRY safe instantiation.
Add tests for PersistentUserCallout.