Update how-to-deploy-kubernetes-extension.md

[zetiaatgithub]

Fix incorrect casing issue in inferenceRouterHA.

[prmerger-automator]

@zetiaatgithub : 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 57a41ed:

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[v-dirichards]

@ssalgadodev

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"
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[v-dirichards]

@ssalgadodev Could you review this proposed update to your article and enter #sign-off in a comment if it's ready to merge?

Thanks!

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[v-dirichards]

@ssalgadodev

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

@MicrosoftDocs/public-repo-pr-review-team

[prmerger-automator]

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