fix: Superchain for Celo

Author: janjakubnanista

.staging/celo-sep.toml

@@ -11,7 +11,7 @@ block_time = 1
 seq_window_size = 7200
 max_sequencer_drift = 600
 gas_paying_token = "0x3C7011fD5e6Aed460cAa4985cF8d8Caba435b092"
-superchain = ""
+superchain = "sepolia"
 base_fee_vault_recipient = "0x5e60d897Cd62588291656b54655e98ee73f0aabF"
 l1_fee_vault_recipient = "0x5e60d897Cd62588291656b54655e98ee73f0aabF"
 sequencer_fee_vault_recipient = "0x5e60d897Cd62588291656b54655e98ee73f0aabF"