Update for Docusaurus v3 and PowerShell 4.7

[bravo-kernel]

This PR fixes some things that have changed with Docusaurus v3 and Powershell 4.7:

• docs: npx installation now uses npx create-docusaurus
• docs: docusaurus now autogenerates the sidebar out-of-the-box (requiring one less configuration step, unless we want to customize the sidebar)
• tests: updated expected test fixtures with PowerShell v7.4 ProgressAction parameter (newly added to CommonParameters)
• ci: added macos-13 to the test matrix
• ci: updated github actions to node v20 versions

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Name	Status	Preview	Comments	Updated (UTC)
docusaurus-powershell	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 13, 2024 2:50pm