Merge branch '243796-graphql-add-external-implementation-documentation-for-keyset-cursor-pagination' into 'master'

GraphQL: Add external implementation documentation for keyset / cursor pagination

See merge request gitlab-org/gitlab!45618

Describe how to update requirements.yaml

See merge request gitlab-org/gitlab!46529

List how to move from old to new stable repo location

Add merge request stats to release progress view

See merge request gitlab-org/gitlab!46080

This commit updates the release progress view on each release block to
show statistics about related merge requests (similar to the existing
issue statistics).

Update youtube thumbnail URL's for whats_new

See merge request gitlab-org/gitlab!46598

Doc: Update Projects API for consistency

See merge request gitlab-org/gitlab!44829

Add commands to identify GitLab version

See merge request gitlab-org/gitlab!46634

Recommend PostgreSQL 12 minimum in 13.6

See merge request gitlab-org/gitlab!46504

Add Memory metadata to Sidekiq memory killer page

See merge request gitlab-org/gitlab!46462

Add notes about Gitaly Cluster for Ref Arch docs

See merge request gitlab-org/gitlab!46255

Reflects current status and note about incoming spec changes.

Remove the soft_fail_count_by_state feature flag

See merge request gitlab-org/gitlab!46350

Resolve "API Fuzzing using a Postman Collection"

See merge request gitlab-org/gitlab!46476

Move marketing opt in to welcome page

See merge request gitlab-org/gitlab!46446

This moves the marketing email opt in checkbox to the welcome page as
well as putting users who have chosen to use GitLab for their company
opt-in per default.

Specify group when creating epic

See merge request gitlab-org/gitlab!45741

Update testing NFS section

See merge request gitlab-org/gitlab!45467

Step 2 - IDE Create a `editor` module for file editor properties

See merge request gitlab-org/gitlab!44797

Update bundler to v2.1.4 [RUN ALL RSPEC]

See merge request gitlab-org/gitlab!46615

Add documentation for experiment tracking

See merge request gitlab-org/gitlab!46688

Remove unreferenced list_collapsed component

See merge request gitlab-org/gitlab!46584

Mention that we are profiling RSpec in nightly scheduled CI jobs only in docs

See merge request gitlab-org/gitlab!46680

Upgrade fog-google to v1.11.0

See merge request gitlab-org/gitlab!46648

Testing: Allow newer components for local tests

See merge request gitlab-org/gitlab!46445

Initial mr template selection in SSE

See merge request gitlab-org/gitlab!46381

Add basic UI for template dropdown

Use `issuable_list` for rendering Jira Issues list

See merge request gitlab-org/gitlab!45678

- Adds `jira_issues_list` feature flag
- Adds mount-point for new app.

Use class property instead of separate th and td class properties

See merge request gitlab-org/gitlab!46675