Darren/feat/use latest abi fucntionality

[darrenvechain]

Description

POC PR to demo new abi functionality. See POC here: https://github.com/vechain/thor/compare/darren/feat/use-latest-abi-fucntionality...darren/demo/new-abi-demo?expand=1

To copies the ABI package from go-ethereum, with minor changes for math.U256Bytes since the function does not exist in go-ethereum v1.8.x: https://github.com/vechain/thor/blob/darren/feat/use-latest-abi-fucntionality/abi/ethabi/pack.go#L98

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• New and existing E2E tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have not added any vulnerable dependencies to my code

[codecov-commenter]

Codecov Report

❌ Patch coverage is 84.86056% with 190 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
abi/ethabi/unpack.go	81.66%	19 Missing and 14 partials ⚠️
abi/ethabi/selector_parser.go	68.42%	16 Missing and 14 partials ⚠️
abi/ethabi/type.go	87.27%	17 Missing and 11 partials ⚠️
abi/ethabi/abi.go	83.94%	12 Missing and 10 partials ⚠️
abi/ethabi/argument.go	86.15%	11 Missing and 7 partials ⚠️
abi/ethabi/reflect.go	90.55%	7 Missing and 5 partials ⚠️
abi/ethabi/error.go	75.00%	7 Missing and 1 partial ⚠️
abi/ethabi/pack.go	82.97%	6 Missing and 2 partials ⚠️
thorclient/builtin/staker.go	0.00%	0 Missing and 7 partials ⚠️
abi/abi.go	79.16%	2 Missing and 3 partials ⚠️
... and 7 more

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