Fix many 'when manual' anchors

What does this MR do?

Cleaning up anchors from report: https://gitlab.com/gitlab-com/gitlab-docs/-/jobs/156705064.

That were (incorrectly) #manual-actions.

Related issues

Relates to: https://gitlab.com/gitlab-com/gitlab-docs/merge_requests/397

Author's checklist

• Apply the correct labels and milestone
• Port the MR to EE (or backport from CE): https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/9448.

Review checklist

• Technical writer's review (required)
• Merge the EE-MR first (https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/9448), CE-MR afterwards