[Vectorize] Add changelog entry for the Vectorize list-vectors operation

[garvit-gupta]

Summary

Add changelog entry for the Vectorize list-vectors operation. Follows: #24680.

Documentation checklist

• Is there a changelog entry (guidelines)? If you don't add one for something awesome and new (however small) — how will our customers find out? Changelogs are automatically posted to RSS feeds, the Discord, and X.
• The documentation style guide has been adhered to.

[holopin-bot]

Congratulations @garvit-gupta, the maintainer of this repository has issued you a holobyte! Here it is: https://holopin.io/holobyte/cmets5fey1109407jvw8bwhtjr

This badge can only be claimed by you, so make sure that your GitHub account is linked to your Holopin account. You can manage those preferences here: https://holopin.io/account.
Or if you're new to Holopin, you can simply sign up with GitHub, which will do the trick!