What's Changed

Proxy Virtual Keys Improvements

• [Test] Add better testing for /key/generate, /user/new by @ishaan-jaff in #1465

Added Testing + minor fixes for the following scenarios:

1. Generate a Key, and use it to make a call
2. Make a call with invalid key, expect it to fail
3. Make a call to a key with invalid model - expect to fail
4. Make a call to a key with valid model - expect to pass
5. Make a call with key over budget, expect to fail
6. Make a streaming chat/completions call with key over budget, expect to fail

Full Changelog: v1.17.12...v1.17.13