EIP-7702: Set EOA account code

[gumb0]

Current status:

• Some EEST failures due to changed state test format (too wide values for s, chain_id, nonce in authorizations)
  • should be fixed in test fixtures
• Need some optimizations, related to new StateDiff API, see TODOs in recent commits

Depends on ethereum/evmc#720

[codecov]

Codecov Report

Attention: Patch coverage is 94.37340% with 22 lines in your changes missing coverage. Please review.

Project coverage is 94.24%. Comparing base (2f79e0d) to head (94ab6b8).

Files with missing lines	Patch %	Lines
test/state/transaction.cpp	20.00%	8 Missing ⚠️
lib/evmone/instructions.hpp	89.18%	4 Missing ⚠️
test/state/errors.hpp	0.00%	4 Missing ⚠️
lib/evmone/instructions_calls.cpp	81.25%	3 Missing ⚠️
test/state/state.cpp	96.72%	2 Missing ⚠️
test/statetest/statetest.hpp	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #961      +/-   ##
==========================================
+ Coverage   94.23%   94.24%   +0.01%     
==========================================
  Files         158      159       +1     
  Lines       17077    17444     +367     
==========================================
+ Hits        16092    16440     +348     
- Misses        985     1004      +19     

Flag	Coverage Δ
eof_execution_spec_tests	17.67% <15.38%> (?)
ethereum_tests	26.11% <11.79%> (-0.38%)	⬇️
ethereum_tests_silkpre	18.83% <9.49%> (-0.26%)	⬇️
execution_spec_tests	20.74% <35.64%> (+0.52%)	⬆️
unittests	89.41% <88.20%> (+0.11%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
test/blockchaintest/blockchaintest.cpp	87.50% <ø> (ø)
test/blockchaintest/blockchaintest.hpp	0.00% <ø> (ø)
test/state/account.hpp	100.00% <ø> (ø)
test/state/host.cpp	100.00% <100.00%> (ø)
test/state/state_diff.hpp	100.00% <ø> (ø)
test/state/test_state.cpp	100.00% <100.00%> (ø)
test/state/transaction.hpp	100.00% <ø> (ø)
test/statetest/statetest.cpp	92.85% <100.00%> (+0.54%)	⬆️
test/statetest/statetest_loader.cpp	96.67% <100.00%> (+0.34%)	⬆️
test/unittests/evm_eof_calls_test.cpp	100.00% <100.00%> (ø)
... and 8 more

... and 1 file with indirect coverage changes