PowerShell function to clone or update GitHub repositories

[segraef]

This pull request introduces a new PowerShell function to clone or update GitHub repositories for a specified organization. The function includes detailed documentation and parameters for specifying the destination folder, organization name, and list of repositories.

Key changes:

• Added new function Clone-GitHubRepos to PowerShell/Snippets/Clone-GitHubRepos.ps1 for cloning or updating GitHub repositories. The function includes parameters for destinationFolder, org, and repos, and provides examples of usage.# Change

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Type of Change

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
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• I'm sure there are no other open Pull Requests for the same update/change
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