Bump MongoDB.Driver from 2.17.0 to 2.19.0 in /105-manage-databases#7

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dependabot/nuget/105-manage-databases/MongoDB.Driver-2.19.0Azure-Samples/cosmos-db-mongodb-api-dotnet-samples:dependabot/nuget/105-manage-databases/MongoDB.Driver-2.19.0Copy head branch name to clipboard