Bump maple version to 0.12
Bump maple version to 0.12

etsy/Conjecture,codeaudit/Conjecture,etsy/Conjecture,aglne/Conjecture,mathkann/Conjecture,codeaudit/Conjecture,mathkann/Conjecture,nkhuyu/Conjecture,aglne/Conjecture,etsy/Conjecture,etsy/Conjecture,mathkann/Conjecture,nkhuyu/Conjecture,mathkann/Conjecture,codeaudit/Conjecture,nkhuyu/Conjecture,nkhuyu/Conjecture,aglne/Conjecture,aglne/Conjecture,codeaudit/Conjecture