Typo "Cloud explorer"→"Cloud Explorer"

[hyoshioka0128]

https://docs.microsoft.com/en-us/visualstudio/install/install-and-use-visual-studio-behind-a-firewall-or-proxy-server?view=vs-2022
https://github.com/MicrosoftDocs/visualstudio-docs/blob/main/docs/install/install-and-use-visual-studio-behind-a-firewall-or-proxy-server.md
#PingMSFTDocs

[prmerger-automator]

@hyoshioka0128 : Thanks for your contribution! The author(s) have been notified to review your proposed change.

[opbld31]

Docs Build status updates of commit a3cb818:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/install/install-and-use-visual-studio-behind-a-firewall-or-proxy-server.md	✅Succeeded

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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[Jak-MS]

@anandmeg

• Can you review this PR?

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#label:"aq-pr-triaged"
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[anandmeg]

Thanks for the update!

[anandmeg]

#sign-off