fix: Add WINDOWS to switch in Serilog HostBuilderExtensions

[frogcrush]

GitHub Issue (If applicable): closes #2491

PR Type

What kind of change does this PR introduce?

• Bugfix

What is the current behavior?

#2491

What is the new behavior?

#2491

PR Checklist

Please check if your PR fulfills the following requirements:

• Tested code with current supported SDKs
• Docs have been added/updated which fit documentation template. (for bug fixes / features)
• Unit Tests and/or UI Tests for the changes have been added (for bug fixes / features) (if applicable)
• Wasm UI Tests are not showing unexpected any differences. Validate PR Screenshots Compare Test Run results.
• Contains NO breaking changes
• Updated the Release Notes
• Associated with an issue (GitHub or internal)

Other information

Shouldn't introduce any unwanted functionality as on WinUI and -desktop it should be able to write to the app data folder.

[morning4coffe-dev]

Thank you for your contribution @frogcrush! Can you change the commit to follow the conventional commits also? (stackoverflow.com/a/8981216, conventionalcommits.org/en/v1.0.0)

[kazo0]

@frogcrush we should avoid making large whitespace changes as part of the PR, just so it's easier to track what are the relevant functional changes made in a commit