57 support for json with trailing comma

[github-actions[bot]]

Package	Line Rate	Branch Rate	Health
Data.Json	83%	76%	✔
Data.Tests.Common	94%	67%	✔
Data.Common	68%	61%	✔
Data.Xml	83%	77%	✔
Data.Tests.Common	92%	68%	✔
Data.Common	65%	58%	✔
Data.Tests.Common	87%	59%	✔
Data.Csv	85%	82%	✔
Data.Common	64%	56%	✔
Data.Xml	58%	57%	➖
EFCore.Common.Tests	90%	83%	✔
Data.Common	43%	37%	➖
EFCore.Xml	79%	50%	✔
EFCore.Common	77%	56%	✔
Data.Common	1%	0%	❌
EFCore.Common.Tests	88%	83%	✔
EFCore.Csv	79%	50%	✔
Data.Csv	58%	50%	➖
Data.Common	46%	39%	➖
EFCore.Common	77%	56%	✔
Data.Json	67%	58%	✔
EFCore.Common.Tests	93%	83%	✔
EFCore.Json	79%	50%	✔
Data.Common	48%	42%	➖
EFCore.Common	77%	56%	✔
Summary	56% (9715 / 16331)	44% (2820 / 6283)	➖