feat(NODE-6952): support configuring DEK cache expiration

[durran]

Description

Adds support to configure the DEK cache expiration time.

What is changing?

• Adds the option keyTimeoutMS to both client encryption and auto encryption options.

Is there new documentation needed for these changes?

None

What is the motivation for this change?

Release Highlight

Support Added for Configuring the DEK cache expiration time.

Default value is 60000. Requires using mongodb-client-encryption >= 6.4.0

For ClientEncryption:

import { MongoClient, ClientEncryption } from 'mongodb';
const client = new MongoClient(process.env.MONGODB_URI);
const clientEncryption = new ClientEncryption(client, { keyExpirationMS: 100000, kmsProviders: ... });

For auto encryption:

import { MongoClient, ClientEncryption } from 'mongodb';
const client = new MongoClient(process.env.MONGODB_URI, {
  autoEncryption: {
    keyExpirationMS: 100000,
    kmsProviders: ...
  }
});

Double check the following

• Ran npm run check:lint script
• Self-review completed using the steps outlined here
• PR title follows the correct format: type(NODE-xxxx)[!]: description
  • Example: feat(NODE-1234)!: rewriting everything in coffeescript
• Changes are covered by tests
• New TODOs have a related JIRA ticket