Expose merge requests count based on user access

See merge request gitlab/gitlabhq!3168

Fix type authorizations in GraphQL

See merge request gitlab/gitlabhq!3173

Fix color validation regex causing DoS

See merge request gitlab/gitlabhq!3177

Disable Rails SQL query cache when applying service templates

See merge request gitlab/gitlabhq!3180

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Prepare 11.11.4 release

See merge request gitlab-org/gitlab-ce!30069

Master i18n 11.11

See merge request gitlab-org/gitlab-ce!30083

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