v25 release changes

Bootloader

increase max_pubdata price and max_l2_price from 1M to 2^64
- This is for chains with custom base tokens with low unit value.
removed upgradesystemcontext method
- It was a temporary method, used in one of the past upgrades.

Contracts

Moved to custom errors from string based ones
small gas optimisations
l2-contracts moved to 1.5.0 compiler and solidity 0.8.24
verifier_contract - mention vk_hash in the source code comments

Scripts

workflows - switching to forge & foundry from hardhat
script for new chain registration
moved from zksync-web3 to zksync-ethers
improvements to deploy scripts - comare diamond hash
improved compilation caching in scripts (don't recompile if not needed)

Testing

more bridgehub tests
adopting tests to custom errors
more mailbox tests

Docs & comments

naming - changing from zkSync to ZKsync
additional documentation in solidity files
better documentation for some methods & arguments
changed wording from 'ergs' to 'gas'
added missing licenses to YUL files

Dependencies

hardhat updated to 2.22 and chai matchers to 0.2.0
lower restriction on solidity versions for interfaces (from 0.8.24 to ^0.8.21)
explicit dependency on openzeppelin-v4 (to allow users to include other OZ versions)
updated forge-sdk & murky