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.

Use Danger to provide guidance to consider
effects of pipeline changes and the need
to communicate broadly

Remove Bootstrap 4's Cards components from Issuables and Todos

See merge request gitlab-org/gitlab!48004