Fix typo: -Steam > -Stream

[a-sync]

PR Summary

Fix typo: -Steam > -Stream

PR Context

Microsoft.PowerShell.Utility / Select-String

Cmdlet reference & about_ topics

• Preview content
• Version 7.2 content
• Version 7.1 content
• Version 7.0 content
• Version 5.1 content

PR Checklist

• I have read the contributors guide and followed the style and process guidelines
• PR has a meaningful title
• PR is targeted at the staging branch
• All relevant versions updated
• Includes content related to issues and PRs - see Closing issues using keywords.
• This PR is ready to merge and is not Work in Progress
  • If the PR is work in progress, please add the prefix WIP: or [WIP] to the beginning of the
    title and remove the prefix when the PR is ready.

[ghost]

All CLA requirements met.

[opbld31]

Docs Build status updates of commit e0542f0:

✅ Validation status: passed

File	Status	Preview URL	Details
reference/5.1/Microsoft.PowerShell.Utility/Select-String.md	✅Succeeded	View (powershell-5.1)
reference/7.0/Microsoft.PowerShell.Utility/Select-String.md	✅Succeeded	View (powershell-7)
reference/7.1/Microsoft.PowerShell.Utility/Select-String.md	✅Succeeded	View (powershell-7.1)
reference/7.2/Microsoft.PowerShell.Utility/Select-String.md	✅Succeeded	View (powershell-7.2)

For more details, please refer to the build report.

Note: Broken links written as relative paths are included in the above build report. For broken links written as absolute paths or external URLs, see the broken link report.

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