docs(specs): update debug server endpoints from Daikon (#873)

Author: alchemy-bot

src/openrpc/alchemy/debug/debug.yaml

@@ -24,6 +24,8 @@ servers:
     name: Ethereum Sepolia
   - url: https://eth-sepoliabeacon.g.alchemy.com/v2
     name: Ethereum Sepolia Beacon
+  - url: https://adi-mainnet.g.alchemy.com/v2
+    name: ADI Mainnet
   - url: https://adi-testnet.g.alchemy.com/v2
     name: ADI Testnet AB
   - url: https://arb-mainnet.g.alchemy.com/v2