[Bug] Bad argument sent to logging in tracking function

### Is this a new bug in dbt-core?

- [X] I believe this is a new bug in dbt-core
- [X] I have searched the existing issues, and I could not find an existing issue for this bug

### Current Behavior

In core/dbt/tracking.py, the string argument sent to _log_result for http_post is not the right one. It's "GET".

### Expected Behavior

The argument sent should be "POST"

### Steps To Reproduce

In the code

### Relevant log output

_No response_

### Environment

_No response_

### Which database adapter are you using with dbt?

_No response_

### Additional Context

_No response_