[beta] Stricter uint256 RLP decoding. Update consensus tests to 10.1 (#3089)

* Clean up test runners. Don't run legacy tests

* Cherry pick https://github.com/ethereum/go-ethereum/pull/22927



* Tests update 10.1: Transaction Tests

* Port decodeBigInt changes to decodeUint256

* Introduce (*Stream) Uint256Bytes

* Temporarily disable stTransactionTest/HighGasPrice

* linter

* ttWrongRLP transaction tests pass now

* Fix stTransactionTest/HighGasPrice

Co-authored-by: Felix Lange <fjl@twurst.com>