better defaults, i.e. the same as used by main node

docs/src/guides/external-node/prepared_configs/testnet-sepolia-config.env

@@ -48,7 +48,7 @@ EN_MAX_NONCE_AHEAD=50
 # otherwise if the L1 prices soar, the suggested gas price won't be sufficient to be included in block.
 EN_GAS_PRICE_SCALE_FACTOR=1.5
 # The factor by which to scale the gasLimit
-EN_ESTIMATE_GAS_SCALE_FACTOR=1.5
+EN_ESTIMATE_GAS_SCALE_FACTOR=1.3
 # The max possible number of gas that `eth_estimateGas` is allowed to overestimate.
 EN_ESTIMATE_GAS_ACCEPTABLE_OVERESTIMATION=5000
 # Max possible size of an ABI encoded tx (in bytes).