Add 'Richard Kasprzak' to the list of contributors (#45587)

## 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?

Update to add 'Richard Kasprzak' to 'humans.txt'

## What is the current behavior?

'Richard Kasprzak' is not present in 'humans.txt'

## What is the new behavior?

'Richard Kasprzak' is present in 'humans.txt'




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

* **Chores**
  * Updated team roster information.

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

apps/docs/public/humans.txt

@@ -217,6 +217,7 @@ Rafael Chacón
 Raminder Singh
 Raúl Barroso
 Riccardo Busetti
+Richard Kasprzak
 Rob Shields
 Rodrigo Esteves
 Rodrigo Mansueli