Added macos install cask & tarball preview article

[mikefrobbins]

PR Summary

Fixes AB#564254 - Added macos install cask and tarball preview article

PR Checklist

• Descriptive Title: This PR's title is a synopsis of the changes it proposes.
• Summary: This PR's summary describes the scope and intent of the change.

[learn-build-service-prod]

PoliCheck Scan Report

The following report lists PoliCheck issues in PR files. Before you merge the PR, you must fix all severity-1 and severity-2 issues. The AI Review Details column lists suggestions for either removing or replacing the terms. If you find a false positive result, mention it in a PR comment and include this text: #policheck-false-positive. This feedback helps reduce false positives in future scans.

✅ No issues found

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[learn-build-service-prod]

PoliCheck Scan Report

The following report lists PoliCheck issues in PR files. Before you merge the PR, you must fix all severity-1 and severity-2 issues. The AI Review Details column lists suggestions for either removing or replacing the terms. If you find a false positive result, mention it in a PR comment and include this text: #policheck-false-positive. This feedback helps reduce false positives in future scans.

✅ No issues found

More information about PoliCheck

Information: PoliCheck | Severity Guidance | Term
For any questions: Try searching the learn.microsoft.com contributor guides or post your question in the Learn support channel.

[learn-build-service-prod]

Learn Build status updates of commit 0170b25:

✅ Validation status: passed

File	Status	Preview URL	Details
docs-ref-conceptual/Latest-version/install-azure-cli-macos-preview.md	✅Succeeded	View (azure-cli-latest)
docs-ref-conceptual/Latest-version/install-azure-cli.md	✅Succeeded	View (azure-cli-latest)
docs-ref-conceptual/Latest-version/toc.yml	✅Succeeded	View (azure-cli-latest)
docs-ref-conceptual/Latest-version/zone-pivot-groups.yml	✅Succeeded	View (azure-cli-latest)

For more details, please refer to the build report.

[naga-nandyala]

There has been change in direction w.r.t our homebrew-cask and homebrew-core parallel release approach.

we need to now update our preview phase install to happen from custom homebew tap.. and indicate customers that we will do hard migration from homebew-core to homebew-cask after the preview phase.