bump sparks reqs to 3.3.6.
bump sparks reqs to 3.3.6.

WillianPaiva/1flow,WillianPaiva/1flow,1flow/1flow,WillianPaiva/1flow,WillianPaiva/1flow,WillianPaiva/1flow,1flow/1flow,1flow/1flow,1flow/1flow,1flow/1flow