Revert "Update System.Text.Json to 6.0.0 (#58365)"
Revert "Update System.Text.Json to 6.0.0 (#58365)"

This reverts commit 2fa822ba950fb25ac529b2e236810f04cc65fec1.

jasonmalinowski/roslyn,diryboy/roslyn,KevinRansom/roslyn,bartdesmet/roslyn,KevinRansom/roslyn,weltkante/roslyn,shyamnamboodiripad/roslyn,diryboy/roslyn,dotnet/roslyn,jasonmalinowski/roslyn,KevinRansom/roslyn,dotnet/roslyn,mavasani/roslyn,dotnet/roslyn,CyrusNajmabadi/roslyn,bartdesmet/roslyn,jasonmalinowski/roslyn,weltkante/roslyn,CyrusNajmabadi/roslyn,shyamnamboodiripad/roslyn,weltkante/roslyn,sharwell/roslyn,mavasani/roslyn,diryboy/roslyn,sharwell/roslyn,mavasani/roslyn,shyamnamboodiripad/roslyn,sharwell/roslyn,CyrusNajmabadi/roslyn,bartdesmet/roslyn