Generate gasUsed results for real L1 gas prices

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Report : Generate gasUsed results for real L1 gas prices

Description:
Simulate a scenario where the local node sets the variable internal_enforced_l1_gas_price to a real ETH mainnnet gas price (about 40Gwei nowadays) and compare results.

You can check the gass fee model here:
https://github.com/lambdaclass/zksync-era/blob/main/docs/guides/advanced/fee_model.md

Expected outcome:

• validium mode gasUsed for transaction should stay the same regarding L1 price modification
• Rollup mode should charga more gas for higher prices

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Done