Update dependency MongoDB.Driver to v2.19.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
MongoDB.Driver (source)	nuget	minor	2.18.0 -> 2.19.0

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Release Notes

mongodb/mongo-csharp-driver

v2.19.0: NET Driver Version 2.19.0 Release Notes

.NET Driver Version 2.19.0 Release Notes

This is the general availability release for the 2.19.0 version of the driver.

The main new features in 2.19.0 include:

• Atlas Search builders
• Default LinqProvider changed to LINQ3
• ObjectSerializer allowed types configuration
• Bucket and BucketAuto stages support in LINQ3
• Support Azure VM-assigned Managed Identity for Automatic KMS Credentials
• Native support for AWS IAM Roles

This version addresses CVE-2022-48282.

ObjectSerializer allowed types configuration

The ObjectSerializer has been changed to only allow deserialization of types that are considered safe.
What types are considered safe is determined by a new configurable AllowedTypes function (of type Func<Type, bool>).
The default AllowedTypes function is ObjectSerializer.DefaultAllowedTypes which returns true for a number of well-known framework types that we have deemed safe.
A typical example might be to allow all the default allowed types as well as your own types. This could be accomplished as follows:

var objectSerializer = new ObjectSerializer(type => ObjectSerializer.DefaultAllowedTypes(type) || type.FullName.StartsWith("MyNamespace"));
BsonSerializer.RegisterSerializer(objectSerializer);

More information about the ObjectSerializer is available in our FAQ.

Default LinqProvider changed to LINQ3

Default LinqProvider has been changed to LINQ3.
LinqProvider can be changed back to LINQ2 in the following way:

var connectionString = "mongodb://localhost";
var clientSettings = MongoClientSettings.FromConnectionString(connectionString);
clientSettings.LinqProvider = LinqProvider.V2;
var client = new MongoClient(clientSettings);

If you encounter a bug in LINQ3 provider, please report it in CSHARP JIRA project.

An online version of these release notes is available here.

The full list of issues resolved in this release is available at CSHARP JIRA project.

Documentation on the .NET driver can be found here.

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[Turnerj]

With 2.19.0 using the LINQ3 system in the MongoDB driver, all future versions of MongoFramework will require that too.

[Turnerj]

On second thought, it looks like a lot of engineering will need to go into LINQ3 support due to the internal changes. Next release of MongoFramework will just set LINQ2 during connection creation.

For the release after, then real LINQ3 support can land.

[renovate]

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