Updated tutorial-autoscale-ps.md and redirect-external-site-cli.md

[belimitless]

This pull request addresses an error encountered when creating an Application Gateway using New-AzApplicationGateway in Azure PowerShell. Starting from API version 2021-08-01, each request routing rule is required to have a unique priority. Without specifying priorities, the command fails with the error:

"Priority for the request routing rule cannot be empty. All request routing rules should have a priority defined starting from API version 2021-08-01."

Updated the New-AzApplicationGatewayRequestRoutingRule cmdlets to include the -Priority parameter. Each routing rule now has a unique priority value to ensure compatibility with the latest API requirements.

[prmerger-automator]

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

[learn-build-service-prod]

Learn Build status updates of commit 2987dcb:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/application-gateway/tutorial-autoscale-ps.md	✅Succeeded

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[Jak-MS]

@greg-lindsay
Can you review the proposed changes?

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

[learn-build-service-prod]

Learn Build status updates of commit 3d1bf5a:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/application-gateway/tutorial-autoscale-ps.md	✅Succeeded

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• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit 3d0de62:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/application-gateway/redirect-external-site-cli.md	✅Succeeded
articles/application-gateway/tutorial-autoscale-ps.md	✅Succeeded

For more details, please refer to the build report.

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[learn-build-service-prod]

Learn Build status updates of commit af1b086:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/application-gateway/redirect-external-site-cli.md	✅Succeeded
articles/application-gateway/tutorial-autoscale-ps.md	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

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• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit 42d7482:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/application-gateway/redirect-external-site-cli.md	✅Succeeded
articles/application-gateway/tutorial-autoscale-ps.md	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
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[belimitless]

@microsoft-github-policy-service agree

[belimitless]

Updated redirect-external-site-cli.md

• SKU Update: The original Standard_Medium SKU has been deprecated. The Application Gateway SKU has been updated to Standard_v2 to comply with current standards and ensure continued compatibility.

• Updated the Application Gateway creation and Routing Rule commands to include the -Priority parameter. Each routing rule now has a unique priority value to ensure compatibility with the latest API requirements.

• The updated command is now validated and fully functional, ensuring correct routing rule configuration.

[Jak-MS]

@greg-lindsay
Can you review the proposed changes?

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

[learn-build-service-prod]

Learn Build status updates of commit c483467:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/application-gateway/redirect-external-site-cli.md	✅Succeeded
articles/application-gateway/tutorial-autoscale-ps.md	✅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

[Court72]

@greg-lindsay

Can you review this old PR and determine whether it needs to be closed or merged?

[greg-lindsay]

#sign-off