Adds AfterNextHelpers, a more fluent interface to allow_any_instance

This allows `after_next` to support the `to/not_to` API developers
expect.

RUN AS-IF-FOSS Move deploy boards backend to core

See merge request gitlab-org/gitlab!47979

Fixes diffs tree list showing incorrectly

See merge request gitlab-org/gitlab!48775

Cleanup some unused issuable helper methods

See merge request gitlab-org/gitlab!48707

Enable by default true in API helper usage_data_#{event} feature

See merge request gitlab-org/gitlab!48607

Document mock resolvers for client side GraphQL queries

See merge request gitlab-org/gitlab!48224

This change explains how to use mock resolvers in tests with code
examples

Lower severity of a vulnerability

See merge request gitlab-org/gitlab!48572

Fix anchor in Snowplow Guide

See merge request gitlab-org/gitlab!48562

Fix Jira Connect styles not loaded when startup_css is enabled

See merge request gitlab-org/gitlab!47043

Quarantine stale e2e secure spec

See merge request gitlab-org/gitlab!48759

Replace append-bottom-20 class boards

See merge request gitlab-org/gitlab!48389

This replaces the append-bottom-20 css class
inside the boards app

Add diagrams to reference architectures

See merge request gitlab-org/gitlab!48351

Adds gl button classes to manifest imports

See merge request gitlab-org/gitlab!48697

Correct instance limits docs for self-managed

See merge request gitlab-org/gitlab!48714

Add delete on-call schedule GraphQL mutation

See merge request gitlab-org/gitlab!48168

Improve query for fetching vulnerability scanners

See merge request gitlab-org/gitlab!48144

Add Vulnerabilities External Link model

See merge request gitlab-org/gitlab!48465

This change adds new model to database to store external links for
vulnerabilities (ie. information about created issues in Jira).

Add BulkImports::Failure model to capture Bulk Import failures

See merge request gitlab-org/gitlab!47526

Update Toast UI to ^2.5.1

See merge request gitlab-org/gitlab!48421

docs: Add coverage cache to the development/pipelines page

See merge request gitlab-org/gitlab!48760

This fixes the tree list on merge requests showing
even if the user has chosen to previously hide it.

Add a GraphQL mutation to remove on-call schedules

Merge branch '282433-implement-a-danger-reminder-with-checklist-to-consider-validating-on-pipeline-changes' into 'master'

Implement a Danger reminder with checklist to consider validating on pipeline changes

See merge request gitlab-org/gitlab!48754

- Create new db table `bulk_import_failures` to capture any
  import failrues during Group Import execution
- Add pipeline DSL to abort pipeline on failure
- Adjust runner to abort execution if pipeline is marked

Promote ProjectPipelineResolver query to finder

See merge request gitlab-org/gitlab!47521

Moves query in ProjectPipelineResolver to Ci::PipelinesFinder.

Merge branch '273580-when-selecting-issue-type-and-closing-the-dropdown-the-issue-gets-submitted-right-away' into 'master'

Add type=button to issue type selector close button to prevent premature submission

See merge request gitlab-org/gitlab!48249

Update settings_dropdown.vue to use text-sr-only attribute

See merge request gitlab-org/gitlab!48681

Quarantine failing create spec

See merge request gitlab-org/gitlab!48757

Update Gitaly version

See merge request gitlab-org/gitlab!48761

Improve Apollo/GraphQL docs on fetchMore/pagination and tests

See merge request gitlab-org/gitlab!48245

Improve documentation to scope `mockApollo` only
to where it is needed.