0.19.0 Removed dotnet 7

[tomohisa]

We removed dotnet 7, it will be only dotnet 8 until dotnet 9 will release will be close.

What's Changed

• update to aspire preview 6 sample by @tomohisa in update to aspire preview 6 sample #289
• 290 remove dotnet 7 by @tomohisa in 290 remove dotnet 7 #291

Full Changelog: 0.18.5...0.19.0

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This discussion was created from the release 0.19.0 Removed dotnet 7.