Merge branch '287785-adjust-docs-for-using-feature-flags-for-tracking-using-redis-hll' into 'master'

Adjust docs for using feature flags for tracking using Redis HLL

See merge request gitlab-org/gitlab!48457

  - Add feature flag default enabled to docs

Dequarantine E2E specs due to bug being closed

See merge request gitlab-org/gitlab!48812

Update Rack to 2.2.3 in qa Gemfiles

See merge request gitlab-org/gitlab!48630

Fix future tense issues

See merge request gitlab-org/gitlab!48871

Fix future tense issues

See merge request gitlab-org/gitlab!48870

Do not show emails of users in confirmation page

See merge request gitlab-org/security/gitlab!1025

Fix some future tense issues in Ecosystem documentation

See merge request gitlab-org/gitlab!48580

Give more details about ci.skip push option

See merge request gitlab-org/gitlab!48850

Move the init code to the relevant folder

See merge request gitlab-org/gitlab!48663

DevOps Adoption: Integrate table component

See merge request gitlab-org/gitlab!47164

Add a table to the devops adoption feature which
displays the data for user defined segments.

Add crosslink to MR pipeline docs

See merge request gitlab-org/gitlab!48739

Clarify crosslink to variable operators

See merge request gitlab-org/gitlab!48728

Add crosslink to runner details

See merge request gitlab-org/gitlab!48756

Clarify only branches with schedules

See merge request gitlab-org/gitlab!48735

Do not expose starred projects of users with private profile via API

See merge request gitlab-org/security/gitlab!1075

Filter params[:search] to prevent leaks

See merge request gitlab-org/security/gitlab!1065

Hide starred & contributed projects of users with private profile

See merge request gitlab-org/security/gitlab!1063

Validate zoom links to start with https only

See merge request gitlab-org/security/gitlab!1055

Ensure group and project memberships are not leaked

See merge request gitlab-org/security/gitlab!1076

Add development doc on CSV export types

See merge request gitlab-org/gitlab!48316

Co-authored-by: Aishwarya Subramanian <asubramanian@gitlab.com>

Require a minimum search length on explore page

See merge request gitlab-org/security/gitlab!1064

GraphQL User: public_email instead of email

See merge request gitlab-org/security/gitlab!1062

Fix minor typos in FE graphql docs

See merge request gitlab-org/gitlab!48911

Add menu-item class to non-details-job-component

See merge request gitlab-org/gitlab!48834

Add containerRepositoriesCount to project and group queries

See merge request gitlab-org/gitlab!48685

- type addition
- schema tests
- requests tests
Co-authored-by: David Fernandez <dfernandez@gitlab.com>

Update Gitaly version

See merge request gitlab-org/gitlab!48905

Fix user display name permission check

See merge request gitlab-org/gitlab!48801

Add stage and group metadata

See merge request gitlab-org/gitlab!48904