Update assign-app-owners.md

[secherka]

updating per internal Epic 1436967 - https://identitydivision.visualstudio.com/Engineering/_workitems/edit/1436967

[prmerger-automator]

@secherka : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod]

Learn Build status updates of commit 212e89a:

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docs/identity/enterprise-apps/assign-app-owners.md	✅Succeeded

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[ShannonLeavitt]

@secherka - This PR was opened in the public repo. FTEs should work in the private repo if possible. I see that you submitted a PR to the private repo last year. If feasible, add a #please-close comment to this PR and make your commit in the private repo instead.

Otherwise, @omondiatieno - Could you please review and sign off if you approve? Please note the Copilot suggestions for similar content in #1842.

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team