Alfajores deprecation. (#2562)

Signed-off-by: bgravenorst <[email protected]>
Co-authored-by: Yashovardhan Agrawal <[email protected]>

Author: bgravenorst

embedded-wallets/connect-blockchain/_general-connect-blockchain/_celo.mdx

@@ -5,7 +5,7 @@ import TabItem from '@theme/TabItem'
  defaultValue="mainnet"
   values={[
     { label: "Mainnet", value: "mainnet" },
-    { label: "Alfajores Testnet", value: "alfajores" },
+    { label: "Sepolia Testnet", value: "sepolia" },
   ]}
 >
 <TabItem value="mainnet">
@@ -19,12 +19,12 @@ import TabItem from '@theme/TabItem'
 
 </TabItem>
 
-<TabItem value="alfajores">
+<TabItem value="sepolia">
 
-- **Chain ID:** 0xaef3
-- **Public RPC URL:** https://alfajores-forno.celo-testnet.org
-- **Display Name:** Celo Alfajores Testnet
-- **Block Explorer Link:** https://alfajores-blockscout.celo-testnet.org
+- **Chain ID:** 0xaa044c
+- **Public RPC URL:** https://forno.celo-sepolia.celo-testnet.org
+- **Display Name:** Celo Sepolia Testnet
+- **Block Explorer Link:** https://celo-sepolia.blockscout.com/
 - **Ticker:** CELO
 - **Ticker Name:** Celo