Set base testnets elasticity

[mdehoog]

Description

We opted in to the superchain params, which caused a node halt due to incorrect base fee change validation.

This PR adds the correct EIP1559Elasticity overrides for Base goerli + sepolia.

Tests

No tests added.

Additional context

Log:

########## BAD BLOCK #########
Block: 1485959 (0x5ea64e70db7d39a314dc63776e983e37638104a14ab100c8d60371da9f71bca9)
Error: invalid baseFee: have 52, want 51, parentBaseFee 50, parentGasUsed 7636391
Platform: geth (devel) go1.21.3 amd64 linux
VCS: 4a3209b4-20231027
Chain config: &params.ChainConfig{ChainID:84532, HomesteadBlock:0, DAOForkBlock:<nil>, DAOForkSupport:false, EIP150Block:0, EIP155Block:0, EIP158Block:0, ByzantiumBlock:0, ConstantinopleBlock:0, PetersburgBlock:0, IstanbulBlock:0, MuirGlacierBlock:0, BerlinBlock:0, LondonBlock:0, ArrowGlacierBlock:0, GrayGlacierBlock:0, MergeNetsplitBlock:0, ShanghaiTime:(*uint64)(nil), CancunTime:(*uint64)(nil), PragueTime:(*uint64)(nil), VerkleTime:(*uint64)(nil), BedrockBlock:0, RegolithTime:(*uint64)(0xc0005efd20), CanyonTime:(*uint64)(nil), TerminalTotalDifficulty:0, TerminalTotalDifficultyPassed:true, Ethash:(*params.EthashConfig)(nil), Clique:(*params.CliqueConfig)(nil), IsDevMode:false, Optimism:(*params.OptimismConfig)(0xc000044108)}
Receipts: 
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