Update rpc-providers.mdx

Author: strepCode77

pages/app-developers/tools/connect/rpc-providers.mdx

@@ -103,7 +103,7 @@ GetBlock offers Pay-as-You-Go flexible pricing based on actual usage, suitable f
 
 [Infura](https://infura.io) is a Web3 infrastructure provider that offers free access to hosted [OP Mainnet and testnet nodes](https://docs.infura.io/infura/networks/optimism), with the option to upgrade to [paid plans](https://www.infura.io/pricing) for more features. With Infura's highly performant Optimism node infrastructure, developers can eliminate the need for syncing or complex setups and get reliable and consistent access to the Optimism blockchain.
 
-[Sign up for a free Infura account here](https://app.infura.io/register)
+[Sign up for a free Infura account here](https://developer.metamask.io/register)
 
 ### Supported networks