chore(deps): update dependency newtonsoft.json to v12.0.3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
Newtonsoft.Json (source)	nuget	patch	12.0.2 -> 12.0.3

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Release Notes

JamesNK/Newtonsoft.Json

### [`v12.0.3`](https://togithub.com/JamesNK/Newtonsoft.Json/releases/12.0.3) [Compare Source](https://togithub.com/JamesNK/Newtonsoft.Json/compare/12.0.2...12.0.3) - New feature - Added support for nullable reference types - New feature - Added KebabCaseNamingStrategy - Change - Package now uses embedded package icon - Fix - Fixed bug when merging JToken with itself - Fix - Fixed performance of calling ICustomTypeDescriptor.GetProperties - Fix - Fixed serializing Enumerable.Empty and empty arrays on .NET Core 3.0 - Fix - Fixed deserializing some collection types with constructor - Fix - Fixed deserializing IImmutableSet to ImmutableHashSet instead of ImmutableSortedSet - Fix - Fixed deserializing IImmutableDictionary to ImmutableDictionary instead of ImmutableSortedDictionary - Fix - Fixed deserializing into constructors with more than 256 parameters - Fix - Fixed hang when deserializing JTokenReader with preceding comment - Fix - Fixed JSONPath scanning with nested indexer - Fix - Fixed deserializing incomplete JSON object to JObject - Fix - Fixed using StringEnumConverter with naming strategy and specified values

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