[typespec-next] React to azure/typespec-azure#3180#24561

mikeharder merged 6 commits intoAzure:typespec-nextAzure/azure-rest-api-specs:typespec-nextfrom

mikeharder:typespec-next-nullable-enummikeharder/azure-rest-api-specs:typespec-next-nullable-enumCopy head branch name to clipboard