chore(docs): add Prashansa Kulshrestha to humans.txt (#49522)

## I have read the
[CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md)
file.

YES/NO

## What kind of change does this PR introduce?

Bug fix, feature, docs update, ...

## What is the current behavior?

Please link any relevant issues here.

## What is the new behavior?

Feel free to include screenshots if it includes visual changes.

## Additional context

Add any other context or screenshots.


<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit

* **Documentation**
  * Added Prashansa Kulshrestha to the alphabetical team member list.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Co-authored-by: Ivan Vasilov <vasilov.ivan@gmail.com>

apps/docs/public/humans.txt

@@ -244,6 +244,7 @@ Peter Soderberg
 Pierre Ducroquet
 Pierre Frances
 Ping-Min Lin
+Prashansa Kulshrestha
 Qiao Han
 Quintin Willison
 Rafael Chacón