feat: custom l1 price

[vbar]

What 💻

Made the L1 price overridable from command line, in both forking and standalone mode.

Why ✋

Transactions succeed of fail depending on the node fees, and users/developers might want to experiment with that.

Evidence 📷

Example (in replay mode):

$ ./target/release/era_test_node --show-calls=all --show-outputs --show-vm-details=all --resolve-hashes replay_tx sepolia-testnet 0xadf8319da65e377909e41a4806cb24eb7090cbdaf4521fad5084cfa933ce1849
10:31:45  INFO Creating fork from "https://sepolia.era.zksync.dev:443" L1 block: L1BatchNumber(8961) L2 block: 2386764 with timestamp 1715930527, L1 gas price 157087620156, L2 fair gas price 25000000 and protocol version: Some(Version24)
...
[!] Halt Reason:    virtual machine entered unexpected state. Please contact developers and provide transaction details that caused this error. Error description: Block.basefee is greater than max fee per gas

vs.

$ ./target/release/era_test_node --show-calls=all --show-outputs --show-vm-details=all --resolve-hashes --l1-gas-price=15708762015 replay_tx sepolia-testnet 0xadf8319da65e377909e41a4806cb24eb7090cbdaf4521fad5084cfa933ce1849
10:33:47  INFO Creating fork from "https://sepolia.era.zksync.dev:443" L1 block: L1BatchNumber(8961) L2 block: 2386764 with timestamp 1715930527, L1 gas price 157087620156, L2 fair gas price 25000000 and protocol version: Some(Version24)
10:33:47  INFO Starting node with L2 gas price set to 25_000_000
10:33:47  INFO L1 gas price set to 15_708_762_015 (overridden from 157_087_620_156)
...
10:33:51  INFO Transaction: SUCCESS

[MexicanAce]

LGTM

[vbar]

LGTM

Sorry, not quite - clippy complained... This time, for sure... :-)