Bump MessagePack from 1.7.3.4 to 1.9.3 in /tests/WebApiContrib.Core.MessagePack.Tests#193

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dependabot/nuget/tests/WebApiContrib.Core.MessagePack.Tests/MessagePack-1.9.3WebApiContrib/WebAPIContrib.Core:dependabot/nuget/tests/WebApiContrib.Core.MessagePack.Tests/MessagePack-1.9.3Copy head branch name to clipboard