PR Summary

This pull request updates the CHANGELOG/preview.md file to include the changes for the 7.6.0-preview.1 release. The most important changes include breaking changes, general cmdlet updates and fixes, code cleanup, tools, tests, build and packaging improvements, and documentation updates.

Breaking Changes:

• Treat large Enum values as numbers in ConvertTo-Json (ConvertTo-Json: Treat large enums as numbers #20999) (Thanks Jordan Borean (@jborean93)!)

General Cmdlet Updates and Fixes:

• Add error for Get-PSSession -ComputerName on Unix (Add error for Get-PSSession -ComputerName on Unix #21009) (Thanks Jordan Borean (@jborean93)!)
• Resolve symbolic link target relative to the symbolic link instead of the working directory (Target type detection (file/directory) for relative symlinks is still broken, even on Windows #15235) (Resolve symlink target relative to the symlink instead of the working directory (#15235) #20943) (Thanks Matěj Kafka (@MatejKafka)!)
• Support PSObject wrapped values in ArgumentToEncodingTransformationAttribute (Support PSObject wrapped values in ArgumentToEncodingTransformationAttribute #24555) (Thanks Jordan Borean (@jborean93)!)

Code Cleanup:

• Fix typos in ShowModuleControl.xaml.cs (chore: update ShowModuleControl.xaml.cs #24248) (Thanks Ikko Eltociear Ashimine (@eltociear)!)
• Fix a typo in the build doc (Fix tyop #24172) (Thanks Jay Bazuzi (@JayBazuzi)!)

Build and Packaging Improvements:

• Deploy Box Update (Deploy Box Update #24632)

PR Context

PR Checklist

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• Make sure all .h, .cpp, .cs, .ps1 and .psm1 files have the correct copyright header
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• Breaking changes
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  • Experimental feature(s) needed
    • Experimental feature name(s):
• User-facing changes
  • Not Applicable
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  • Documentation needed
    - [ ] Issue filed:
• Testing - New and feature
  • N/A or can only be tested interactively
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  • Make sure you've added a new test if existing tests do not effectively test the code changed
• Tooling
  • I have considered the user experience from a tooling perspective and don't believe tooling will be impacted.
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    • Impact on PowerShell Editor Services which is used in the PowerShell extension for VSCode
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