add Mrinal Paliwal to humans.txt (#46760)

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

YES

## What kind of change does this PR introduce?

Docs update

## What is the current behavior?

Mrinal is not in humans.txt

## What is the new behavior?

Mrinal is in humans.txt 🎉

## Additional context

N/A

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

* **Chores**
  * Updated team information.

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

apps/docs/public/humans.txt

@@ -195,6 +195,7 @@ Michal Kleczek
 Michelle Jubrey
 Miranda Limonczenko
 Monica Khoury
+Mrinal Paliwal
 Mykhailo Mischa Lieibenson
 Natalie Roberge
 Nick B