Add notes about TypeData and FormatData commands

[sdwheeler]

PR Summary

Add notes about TypeData and FormatData commands

• Fixes AB#588982

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.
• Contributor's Guide: I have read the contributor's guide.
• Style: This PR adheres to the style guide.

[learn-build-service-prod]

PoliCheck Scan Report

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[Copilot]

Pull request overview

This PR updates PowerShell security documentation to warn that restricted remoting endpoints (including JEA) must not expose TypeData/FormatData modification commands because they can introduce FullLanguage-evaluated script content.

Changes:

• Add new “Don’t allow commands that add TypeData or FormatData” guidance to two restricted-session security articles.
• Add new warning callouts to Update-TypeData and Update-FormatData cmdlet reference docs.
• Refresh ms.date metadata on the touched pages.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

File	Description
reference/docs-conceptual/security/securing-restricted-sessions.md	Adds guidance to block TypeData/FormatData-modifying commands in restricted sessions.
reference/docs-conceptual/security/remoting/jea/security-considerations.md	Adds the same guidance in the JEA security considerations page.
reference/7.4/Microsoft.PowerShell.Utility/Update-TypeData.md	Adds a warning callout about restricted endpoints and Update-TypeData.
reference/7.4/Microsoft.PowerShell.Utility/Update-FormatData.md	Adds a warning callout about restricted endpoints and Update-FormatData, and reflows the existing Notes text.

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[learn-build-service-prod]

Learn Build status updates of commit f2bb6f4:

✅ Validation status: passed

File	Status	Preview URL	Details
reference/7.4/Microsoft.PowerShell.Utility/Update-FormatData.md	✅Succeeded	View (powershell-7.4)
reference/7.4/Microsoft.PowerShell.Utility/Update-TypeData.md	✅Succeeded	View (powershell-7.4)
reference/docs-conceptual/security/remoting/jea/security-considerations.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/security/securing-restricted-sessions.md	✅Succeeded	View (>=powershell-5.1)

For more details, please refer to the build report.

[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 335452c:

✅ Validation status: passed

File	Status	Preview URL	Details
reference/7.4/Microsoft.PowerShell.Utility/Update-FormatData.md	✅Succeeded	View (powershell-7.4)
reference/7.4/Microsoft.PowerShell.Utility/Update-TypeData.md	✅Succeeded	View (powershell-7.4)
reference/docs-conceptual/security/remoting/jea/security-considerations.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/security/securing-restricted-sessions.md	✅Succeeded	View (>=powershell-5.1)

For more details, please refer to the build report.