Update deployment-local-identity-with-key-vault.md - updated instructions

[Karl-WE]

• consistency and better results using PowerShell instead of mix and match cmd. reasons: Resolve-DNSName results into more reliable and verbose output compared to nslookup. nslookup works on a different network stack compared to the PowerShell command.

• updated description to PowerShell when wrong (line 93)

[prmerger-automator[bot]]

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

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

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

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[Karl-WE]

example / output comparison

[ktoliver]

@alkohli

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[bot]]

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Learn Build status updates of commit 9290bd2:

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