Bump BOX_VERSION to 3.12.2
Bump BOX_VERSION to 3.12.2

vpg/zephir,phalcon/zephir,zephir-lang/zephir,phalcon/zephir,vpg/zephir,zephir-lang/zephir,phalcon/zephir,phalcon/zephir,vpg/zephir,vpg/zephir,zephir-lang/zephir,phalcon/zephir,vpg/zephir,zephir-lang/zephir,phalcon/zephir,zephir-lang/zephir,vpg/zephir