Valid Node.js versions for 1.15 release should include Node v16 support

[okiehay]

The table detailing compatible software versions should include Node LTS v16 for SPFx v1.15

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Document Details

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• ID: 25459e4a-2488-302d-9906-cfacfdc4639a
• Version Independent ID: 339fbcec-873c-9c47-fd9c-cf5f505132ac
• Content: SharePoint Framework development tools and libraries compatibility
• Content Source: docs/spfx/compatibility.md
• Service: sharepoint
• Product: sharepoint
• Technology: sharepoint-framework
• GitHub Login: @VesaJuvonen
• Microsoft Alias: vesaj

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[AJIXuMuK]

dupe of #8224

Closing this issue as a dupe. Please refer to our wiki for more details: Issue List Labels: status:duplicate