Summary

What is the problem or use case, what are we trying to achieve?

Motivation

This is a continuation of work done in DRIVERS-3227.

Who is the affected end user?

Users of QE wanting to use text indexes in production.

Is this issue urgent?

Planned for server 9.0. See Initiative Plan: Queryable Encryption

Acceptance Criteria

• Rename "TextPreview" to "Text", "suffixPreview" to "suffix", "prefixPreview" to "prefix", and "substringPreview" to "substring" in the specification.
• Remove the "should be used for experimental workloads only" documentation.
• Upgrade libmongocrypt with needed protocol changes (MONGOCRYPT-856).