So that readers don't have to go through the more complicated solution
before gettting to this possible simple solution.

This MR adds a new graphql mutation userAddOnAssignmentCreate.
This mutation is used to assign user to add_on_purchase provided
all the authorization and validation satisfy.

Changelog: added
EE: true

This flag was previously default enabled in 16.2.

https://gitlab.com/gitlab-org/gitlab/-/issues/300031
https://gitlab.com/gitlab-org/gitlab/-/issues/415025

Changelog: other

- Renames the compliance report page to compliance center
- Updates docs/specs to reflect updated page

Changelog: changed

Clarifies what integration settings a project will inherit when both
instance and group-level integration settings are enabled.

This change adds an alternative example for the safe_find_or_create_by
method.

Fewer linking words. 
Re-wrap the lines afterward.
Add parentheses and comma for clarity.

Added diffs to commit endpoint, similar to "GET
/projects/:id/repository/commits/:sha/diff";
Added Graphql diffs type;
Changelog: added

Signed-off-by: Lucas Zampieri <lzampier@redhat.com>

Changelog: added
EE: true

Contributes to https://gitlab.com/gitlab-org/gitlab/-/issues/419051

As described in https://gitlab.com/gitlab-org/gitlab/-/issues/419485,
GitLab will fail to start if at least one of the items is true::

1. LDAP TLS options such as `tls_options` are specified in the
`ldap_servers` config.
2. The deprecated `gitlab_rails['ldap_host']` config setting.

The workarounds are described in
https://gitlab.com/gitlab-org/gitlab/-/issues/419485#workarounds.

Changelog: changed