Add a group setting to allow Maintainers to create sub-groups

See merge request gitlab-org/gitlab-ce!29718

CE backport of "Add or remove blocking merge requests"

See merge request gitlab-org/gitlab-ce!30908

Ensure SubmoduleHelper works outside view context

Closes #64833

See merge request gitlab-org/gitlab-ce!31005

This feature needs to be documented, so here is the documentation

Docs: add alert for bugs - Pages' LE integration

See merge request gitlab-org/gitlab-ce!31002

Display group id on group admin page

Closes #60948

See merge request gitlab-org/gitlab-ce!29735

Display project id on project admin page

Closes #60949

See merge request gitlab-org/gitlab-ce!29734

Remove `if:` argument in before_action and alike when `only:` is also used

Closes #55564

See merge request gitlab-org/gitlab-ce!24412

Adds a waitForMutation helper for VueX(CE backport)

See merge request gitlab-org/gitlab-ce!30186

Embed metrics charts in issues

See merge request gitlab-org/gitlab-ce!29691

See https://gitlab.com/gitlab-org/gitlab-ce/issues/30423

Order projects by name in the "Move issue" dropdown

See merge request gitlab-org/gitlab-ce!30778

This pagination is not used anywhere so there is no reason
to keep it. It seems the usage of offset_id was probably
removed in 90c60138

Fix syntax error in script

See merge request gitlab-org/gitlab-ce!30994

Markdown issues: Checkbox inside blockquote status won't be saved

See merge request gitlab-org/gitlab-ce!30952

Resolve "OAuth2 support with GitLab personal access token"

See merge request gitlab-org/gitlab-ce!30277

PATs are accepted using the OAuth2 compliant header
"Authorization: Bearer {token}" in order to allow for
OAuth requests while 2FA is enabled.

[ci skip]

Fix unreleased changelog "-30974-issue-search-by-number.yml"

See merge request gitlab-org/gitlab-ce!30979

Upload new Knapsack report instead of merging

Closes #64428

See merge request gitlab-org/gitlab-ce!30612

Handle trailing slashes when generating issue URLs

See merge request gitlab-org/gitlab-ce!30911

use the property of name_with_namespace instead of name for the new issue form in group boards

See merge request gitlab-org/gitlab-ce!30021

add a new attribute for name_with_namespace

prettier the changed code

Add info about mdl to documentation

See merge request gitlab-org/gitlab-ce!30792

Applies to issues_url and new_issue_url

Updates check_mentions_for_xss_spec to use admin token for creating the user

Closes gitlab-org/quality/staging#65

See merge request gitlab-org/gitlab-ce!30943

Documentation for email confirmation signup restriction

Closes #63060

See merge request gitlab-org/gitlab-ce!30968

Document all the available options for SAST

Closes gitlab-ee#10120

See merge request gitlab-org/gitlab-ce!30747

Port all info from:

- security-products/sast/blob/master/docs/README.md
- security-products/sast/blob/master/docs/analyzers.md