Set default EVM version to `osaka`

[pcaversaccio]

Hardfork Meta: https://eips.ethereum.org/EIPS/eip-7607

New opcodes/precompiles:

• EIP-7939: Count leading zeros (CLZ) opcode
• EIP-7951: Precompile for secp256r1 Curve Support

Potential safe handling of Vyper:

• EIP-7823: Set upper bounds for MODEXP