Bump Newtonsoft.Json from 12.0.3 to 13.0.2 in /dotnet/UseCases/Serverless/DynamoDB-Lambda-#55

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dependabot/nuget/dotnet/UseCases/Serverless/DynamoDB-Lambda-/Newtonsoft.Json-13.0.2Doug-AWS/code-examples:dependabot/nuget/dotnet/UseCases/Serverless/DynamoDB-Lambda-/Newtonsoft.Json-13.0.2Copy head branch name to clipboard