Update OS version to 24H2 in installation guide

[Karl-WE]

minor edits to reflect the 24H2 change as 23H2 can no longer be deployed and is unsupported.

[prmerger-automator]

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[learn-build-service-prod]

Learn Build status updates of commit eb1876a:

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azure-local/deploy/deployment-install-os.md	✅Succeeded

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[Copilot]

Pull request overview

This PR updates the installation guide documentation to reflect the change from Azure Stack HCI version 23H2 to 24H2. According to the PR description, this change is necessary because 23H2 can no longer be deployed and is now unsupported.

Changes:

• Updated the document title from "version 23H2" to "version 24H2"
• Updated the document description to reference "version 24H2" instead of "version 23H2"
• Minor whitespace adjustment at the end of the file

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[ttorble]

@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"
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