Merge branch 'axil-auditor-users-change-docs-ownership' into 'master'

Change docs ownership for Auditor users

See merge request gitlab-org/gitlab!81443

doc/administration/auditor_users.md

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-stage: Enablement
-group: Distribution
+stage: Manage
+group: Authentication and Authorization
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
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