Bump version to v0.1.12.
Bump version to v0.1.12.

lbdm44/glimmer-vm,davidgoli/htmlbars,Kuzirashi/htmlbars,Kuzirashi/htmlbars,stefanpenner/htmlbars,step2yeung/htmlbars,code0100fun/htmlbars,cgvarela/htmlbars,GavinJoyce/htmlbars,mixonic/htmlbars,jayphelps/htmlbars,greyhwndz/htmlbars,chadhietala/glimmer,greyhwndz/htmlbars,chadhietala/glimmer,SerkanSipahi/htmlbars,duggiefresh/htmlbars,code0100fun/htmlbars,glimmerjs/glimmer-vm,chadhietala/glimmer,chancancode/htmlbars,stefanpenner/htmlbars,chadhietala/glimmer,xcskier56/htmlbars,chancancode/htmlbars,salzhrani/htmlbars,mixonic/htmlbars,step2yeung/htmlbars,GavinJoyce/htmlbars,tildeio/glimmer,vinngn1/htmlbars,tildeio/glimmer,salzhrani/htmlbars,kublaj/htmlbars,rodrigo-morais/htmlbars,tildeio/htmlbars,cgvarela/htmlbars,glimmerjs/glimmer-vm,davidgoli/htmlbars,SerkanSipahi/htmlbars,jayphelps/htmlbars,lbdm44/glimmer-vm,rodrigo-morais/htmlbars,vinngn1/htmlbars,xcskier56/htmlbars,glimmerjs/glimmer-vm,tildeio/htmlbars,simudream/htmlbars,duggiefresh/htmlbars,tildeio/glimmer,lbdm44/glimmer-vm,simudream/htmlbars,kublaj/htmlbars