Apply new GitLab UI style to mirror update button

See merge request gitlab-org/gitlab!51808

Updated default styling of horizontal rule <hr>

See merge request gitlab-org/gitlab!50935

Improve the performance of Vulnerability model specs

See merge request gitlab-org/gitlab!52121

Add repository_read_only column to NamespaceSettings table

See merge request gitlab-org/gitlab!52300

Add two missing feature flag rollout issues

See merge request gitlab-org/gitlab!52500

Pass dependency proxy credentials to runners

See merge request gitlab-org/gitlab!51927

Fix batch query issue when primary key is -1

See merge request gitlab-org/gitlab!51716

AuditEvents loaded via BatchLoader were
behaving strangely and displaying incorrect
author information when the collection
includes rows with no author. Because
records without an author are stored as -1,
this created unexpected behaviour.

Removed unused webperf_experiment feature flag

See merge request gitlab-org/gitlab!52469

Docs: Update copy for confidentiality filter

See merge request gitlab-org/gitlab!52480

Add project scope to FF skip_dag_manual_and_delayed_jobs

See merge request gitlab-org/gitlab!52096

We forgot to add this.

Remove implicit FF check on `Featurable` [RUN ALL RSPEC] [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!52223

Snowplow: Send environment with standard context

See merge request gitlab-org/gitlab!51941

Ensure we get a new cache key if we toggle feature flag

See merge request gitlab-org/gitlab!52487

Migrate responsive display utilities to their new names

See merge request gitlab-org/gitlab!51918

Render WebP attachments as image by default

See merge request gitlab-org/gitlab!51088

This adds the .webp file extension to the list of safe image extensions
in the file type detection. It allows webp-images to be uploaded to
issues and comments which then get embeded as images instead of
attachments (see [gitlab-org/gitlab#296600](3)). It also allows uploading
of designs in the webp format. WebP is supported in all browsers that
GitLab supports except Safari <= macOS 10
(see [caniuse][1], [suppported browsers][2]).

[1]: https://caniuse.com/webp
[2]: https://docs.gitlab.com/ee/install/requirements.html#supported-web-browsers
[3]: https://gitlab.com/gitlab-org/gitlab/-/issues/296600

Allow user SSH public key endpoint to be publicly accessible again

See merge request gitlab-org/gitlab!52227

A regression caused the User SSH public key endpoint to require
authentication when instance public visibility was restricted.
This endpoint should be available without authentication, matching
the behavior of the /api/v4/users/:id/keys endpoint.

Fix several issues on Datadog integration service form

See merge request gitlab-org/gitlab!51908

* Adding blank query parameters `env` and `service` to the URL
* Accepting blank string on the `:datadog_site` field
* Wrong validation of `:datadog_site` and `:api_url` together when both are blank strings
* Default value for `:datadog_site` not working as intended.
* Test button hangs when testing before saving, with invalid data.

Allow for deletion of a rotation in OncallSchedules

See merge request gitlab-org/gitlab!51905

Hook the frontend for oncall deletions up
to the backend and activating the Apollo cache
allowing users to delete rotations

Move pick_repository_storage logic into Repository

See merge request gitlab-org/gitlab!51959

All usages of display CSS utilities have been updated to reflect their
new names. Here's a summary of those updates:

- gl-display-sm-none -> gl-sm-display-none
- gl-display-md-none -> gl-md-display-none
- gl-display-lg-none -> gl-lg-display-none
- gl-display-sm-flex -> gl-sm-display-flex
- gl-display-md-flex -> gl-md-display-flex
- gl-display-lg-flex -> gl-lg-display-flex
- gl-display-sm-inline-flex -> gl-sm-display-inline-flex
- gl-display-lg-inline-flex -> gl-lg-display-inline-flex
- gl-display-sm-block -> gl-sm-display-block
- gl-display-md-block -> gl-md-display-block
- gl-display-lg-block -> gl-lg-display-block
- gl-display-lg-inline-block -> gl-lg-display-inline-block
- gl-display-lg-table-cell -> gl-lg-display-table-cell

BulkImports: Remove unused `after_run` DSL

See merge request gitlab-org/gitlab!52323

Resolve "Update doc/development/pipelines.md for graphql-verify job"

See merge request gitlab-org/gitlab!52491

Use ResolveResourceParent concern for iterations

See merge request gitlab-org/gitlab!52213

Allow ProjectsController#show in query_limiting

See merge request gitlab-org/gitlab!52473

Move Social connect button to new GitLab UI

See merge request gitlab-org/gitlab!51835

Update steps to find slug for Review App

See merge request gitlab-org/gitlab!52482

Change error message for user approval error

See merge request gitlab-org/gitlab!52103