feat: support transient storage opcodes (EIP-1153)

[RomarQ]

This PR adds 2 new opcodes (TLOAD and TSTORE) for manipulating state that behaves almost identically to storage but is discarded after every transaction.

These new instructions were introduced by EIP-1153 and included in Cancun fork.

Running the tests located at ethtests/GeneralStateTests/Cancun/stEIP1153-transientStorage will require the changes present in https://github.com/rust-ethereum/evm/pull/280

[ahmadkaouk]

@RomarQ I think it's important that the new opcodes should only be enabled when the Cancun fork is used and not for previous forks. We should add a flag that is set to true when the Cancun fork is chosen that enable or disable the new opcodes. Something similar to what was done for CREATE2 for example: https://github.com/rust-ethereum/evm/blob/f7a23df6c478ca6a151af5f60e62944800529a61/src/standard/gasometer/mod.rs#L413-L415

[RomarQ]

@RomarQ I think it's important that the new opcodes should only be enabled when the Cancun fork is used and not for previous forks. We should add a flag that is set to true when the Cancun fork is chosen that enable or disable the new opcodes. Something similar to what was done for CREATE2 for example:

https://github.com/rust-ethereum/evm/blob/f7a23df6c478ca6a151af5f60e62944800529a61/src/standard/gasometer/mod.rs#L413-L415

Done, thanks for the remark 👍

[koushiro]

@RomarQ Please resolve the conflicts

[RomarQ]

@RomarQ Please resolve the conflicts

Done