Log Message:
py-xdis: updated to 5.0.9

5.0.9:
Improve 3.9 IS_OP and CONTAINS_OP operand formatting
Correct disassembly of 3.9 bytecode from other bytecode
Accept 3.9.3 and 3.9.4 as a valid 3.9 version
Accept 3.8.9 as a valid 3.8 version