Update publish-data.mdx

fix link

Author: KemarTiti

pages/price-feeds/core/publish-data.mdx

@@ -5,7 +5,7 @@ Data providers can get started publishing data to the Pyth Network by performing
 ## Request access
 
 First, contact the Pyth Data Association and request to become a data provider.
-You can reach out on [Discord](https://discord.gg/Ff2XDydUhu) or [Telegram](https://t.me/Pyth_Network).
+You can register your interest [here](https://tally.so/r/mZxGR0).
 **Only data providers with first-party data (exchanges, market makers, and trading firms) are allowed to participate in the network.**
 
 ## Generate keypair