How to perform the upsert operation? Other languages support this parameter, but the new 3.0 version does not see the parameter for this option

[tianshangwuyun]

Versions/Environment

1. What version of Rust are you using?
2. What operating system are you using?
3. What versions of the driver and its dependencies are you using? (Run cargo pkgid mongodb & cargo pkgid bson)
4. What version of MongoDB are you using? (Check with the MongoDB shell using db.version())
5. What is your MongoDB topology (standalone, replica set, sharded cluster, serverless)?

Describe the bug

A clear and concise description of what the bug is.

BE SPECIFIC:

• What is the expected behavior and what is actually happening?
• Do you have any particular output that demonstrates this problem?
• Do you have any ideas on why this may be happening that could give us a clue in the right direction?
• Did this issue arise out of nowhere, or after an update (of the driver, server, and/or Rust)?
• Are there multiple ways of triggering this bug (perhaps more than one function produce a crash)?
• If you know how to reproduce this bug, please include a code snippet here:

**To Reproduce**
Steps to reproduce the behavior:
1. First, do this.
2. Then do this.
3. After doing that, do this.
4. And then, finally, do this.
5. Bug occurs.

[abr-egn]

An upsert can be performed by using the upsert setter on any of the relevant actions:

let result = collection.update_one(query, update).upsert(true).await?;