EIP-6206 JUMPF

Documentation for tests/osaka/eip7692_eof_v1/eip6206_jumpf@206854b5.

Generate fixtures for these test cases for Osaka with:

fill -v tests/osaka/eip7692_eof_v1/eip6206_jumpf --fork Osaka

Test cases for EIP-6206: EOF - JUMPF and non-returning functions

EIP-6206 adds a conditional forward jump instruction and support for functions without return values. Opcodes introduced: JUMPF (0xE5).