Fix simple funder allowance value

[legion2002]

The value in this line is not uint256.max, this is not an urgent thing to fix, and doesn't cause any functioning issues. But we should still fix whenever there is a new release for the funder.

account/src/SimpleFunder.sol

Line 185 in 115cc4f

mstore(add(m, 0x40), 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF) // type(uint256).max