Add specs for task completion status (graphql)

Fix style issues

Changed format of constants in spec

Refactor specs to reduce creation of records

Reduce parameters to merge request creation

Use set's for project and user

Move let's out of it_behaves_like block

Fix description parameter

Fix format of lets

Use dig to get task completion status out of graphql response

Modified rspec output

Add changelog entry

Add links to select YouTube videos demonstrating GitLab features to docs

See merge request gitlab-org/gitlab-ce!29562

Remove the grafana_dashboard_link feature flag

See merge request gitlab-org/gitlab-ce!29344

Adding break-word css to home-panel-description class to correctly word wrap long words

Closes #62134

See merge request gitlab-org/gitlab-ce!28695

Backport of gitlab-ee!13735

See merge request gitlab-org/gitlab-ce!29289

Merge branch '63010-visual-regression-in-12-0-line-numbers-not-lining-up-in-file-view' into 'master'

Resolve "Visual regression in 12.0: line numbers not lining up in file view"

Closes #63010

See merge request gitlab-org/gitlab-ce!29403

Fix "Resolve conflicts" button not appearing for some users

Closes #47954

See merge request gitlab-org/gitlab-ce!29535

Style popovers according to the design specs

See merge request gitlab-org/gitlab-ce!28375

Bump omniauth_openid_connect to 0.3.1

See merge request gitlab-org/gitlab-ce!29387

Fix null source_project_id in pool_repositories

Closes gitaly#1653

See merge request gitlab-org/gitlab-ce!29157

Added links to Jira/Jenkins videos to supplement docs

See merge request gitlab-org/gitlab-ce!29516

Switch charts to Prometheus API endpoint CE-3

Closes #58516

See merge request gitlab-org/gitlab-ce!29280

Upgrade pages to v1.6.1

Closes gitlab-pages#228

See merge request gitlab-org/gitlab-ce!29559

Fix diverged branch locals

See merge request gitlab-org/gitlab-ce!29508

Switch charts to Prometheus API endpoint CE-2

See merge request gitlab-org/gitlab-ce!29226

Moved RackTimeout observer to a different location and ignore transition states

See merge request gitlab-org/gitlab-ce!29214

Whitelist query limiting admin usage data endpoint

See merge request gitlab-org/gitlab-ce!29488

Added link to GitFlow video

See merge request gitlab-org/gitlab-ce!29517

[CE for Part 5] 5276 Extract ide_status_list from ide_status_bar

See merge request gitlab-org/gitlab-ce!29371

**Why?**
The ide_status_list will be used and extended in EE.

Resolve "Email notifications do not work properly (issue due date)"

Closes #58433

See merge request gitlab-org/gitlab-ce!28835

Fix Typos

See merge request gitlab-org/gitlab-ce!29551

Add link to Auto DevOps video

See merge request gitlab-org/gitlab-ce!29520

Add links to CI/CD videos

See merge request gitlab-org/gitlab-ce!29526

Change the feature freeze details

See merge request gitlab-org/gitlab-ce!29548