Update app-approval.md to correct from internet section

[umair0204]

Corecting the App authentication section to and explicitly mentioning Client app.

[prmerger-automator[bot]]

@umair0204 : Thanks for your contribution! The author(s) have been notified to review your proposed change.

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Learn Build status updates of commit a4d53d3:

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[learn-build-service-prod[bot]]

Learn Build status updates of commit 8ec1746:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
memdocs/configmgr/apps/deploy-use/app-approval.md	:white_check_mark:Succeeded

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[umair0204]

When will the changes merge to main docs @JohanFreelancer9 ?

[BalaDelli]

#sign-off

[learn-build-service-prod[bot]]

Learn Build status updates of commit b5783a0:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
memdocs/configmgr/apps/deploy-use/app-approval.md	:white_check_mark:Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[dougeby]

fixed conflict. This was signed-off on but not merged. Merging.