Adds 2 new models Ci::TestCase and Ci::TestCaseFailure.

This is part of the work for Test Failure History MVC.

A separate MR will be done to fetch the data we store here.

Update doc/development/secure_coding_guidelines.md

See merge request gitlab-org/gitlab!45407

~docs::Fix typo in partial cloning (sparse-checkout init --cone)

See merge request gitlab-org/gitlab!45365

Delete unused project_status partial

See merge request gitlab-org/gitlab!45982

Add DastSiteValidationCreate GraphQL mutation

See merge request gitlab-org/gitlab!45019

Adds new mutation and associated tests for additions to on-demand DAST.

Implement deleted objects for expired artifacts

See merge request gitlab-org/gitlab!42242

- Copy expired artifacts to ci_deleted_objects
- Update projects and namespace statistics

Uses non-feature-gated GitLab team member check for gitlab_service_user?

See merge request gitlab-org/gitlab!45696

Change metadata for import/export

See merge request gitlab-org/gitlab!45929

Update Gitaly version

See merge request gitlab-org/gitlab!45985

Swimlanes - Fix url encoding when adding group_by param

See merge request gitlab-org/gitlab!45853

Replace tabs with new component on IDE pipelines panel

See merge request gitlab-org/gitlab!45007

Remove duplicate paragraph regarding caching key

See merge request gitlab-org/gitlab!45758

Ensure no duplicate storage alert on usage quota page

See merge request gitlab-org/gitlab!45764

Since there is an inline alert on the usage quota page,
it is overwhelming if the global storage alert
is also rendered on this page.

Use each_batch instead of in_batches

See merge request gitlab-org/gitlab!45934

Enhancements for `issuable_list` app

See merge request gitlab-org/gitlab!45897

Convert stylesheets/pages/status.scss into page specific bundle

See merge request gitlab-org/gitlab!45584

Move status scss into a
page bundle.

Replace fa-paperclip icons with GitLab SVG

See merge request gitlab-org/gitlab!43945

Send SQL queries to Sentry by using our own port of pg_query

See merge request gitlab-org/gitlab!45975

Replace fa-caret-down with chevron-down SVG

See merge request gitlab-org/gitlab!45881

Update Gitaly version

See merge request gitlab-org/gitlab!45974

Add Issue usagedata for add/remove/edit comments

See merge request gitlab-org/gitlab!45609

Fix CSS for To-Do List on mobile

See merge request gitlab-org/gitlab!45969

Change api content type to json

See merge request gitlab-org/gitlab!42229

To prevent sending some sensitive information, we need to normalize the
SQL queries before we send them to Sentry. To do so, we decided to use
the gem called `pg_query` which compiles some parts of the PostgreSQL
database to make it possible to parse SQL queries.

Docs: Update log parsing page

See merge request gitlab-org/gitlab!43304

Replace GlDeprecatedBadge in license_compliance/components/app

See merge request gitlab-org/gitlab!45891

Reduce snowplow delay before unloading a page

See merge request gitlab-org/gitlab!45556

Updates the time tracking specs to use vue-test-utils

See merge request gitlab-org/gitlab!44979