Update walkthrough-using-msbuild.md

[Cazka]

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[prmerger-automator]

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[learn-build-service-prod]

Learn Build status updates of commit 5e64738:

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[learn-build-service-prod]

Learn Build status updates of commit e4344e4:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/msbuild/walkthrough-using-msbuild.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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[Court72]

@ghogen

Can you review the proposed changes?

When the changes are ready for publication, add a #sign-off comment to signal that the PR is ready for the review team to merge.

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