bump allowed bundler version
bump allowed bundler version

Change-Id: Ie2f8df88597a97c87fa0a1da6ee641956fb14a7d
Reviewed-on: https://gerrit.instructure.com/57808
Reviewed-by: Simon Williams <088e16a1019277b15d58faf0541e11910eb756f6@instructure.com>
Tested-by: Jenkins
Product-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
QA-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>

grahamb/canvas-lms,utkarshx/canvas-lms,whalejasmine/canvas-lms,HotChalk/canvas-lms,kyroskoh/canvas-lms,matematikk-mooc/canvas-lms,Jyaasa/canvas-lms,Rvor/canvas-lms,sfu/canvas-lms,Jyaasa/canvas-lms,venturehive/canvas-lms,redconfetti/canvas-lms,efrj/canvas-lms,HotChalk/canvas-lms,utkarshx/canvas-lms,skmezanul/canvas-lms,AndranikMarkosyan/lms,greyhwndz/canvas-lms,efrj/canvas-lms,efrj/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,Rvor/canvas-lms,AndranikMarkosyan/lms,leftplusrightllc/canvas-lms,greyhwndz/canvas-lms,dgynn/canvas-lms,instructure/canvas-lms,grahamb/canvas-lms,redconfetti/canvas-lms,sdeleon28/canvas-lms,dgynn/canvas-lms,SwinburneOnline/canvas-lms,matematikk-mooc/canvas-lms,tgroshon/canvas-lms,tgroshon/canvas-lms,Rvor/canvas-lms,redconfetti/canvas-lms,juoni/canvas-lms,AndranikMarkosyan/lms,snehakachroo1/LSI_replica,instructure/canvas-lms,SwinburneOnline/canvas-lms,dgynn/canvas-lms,venturehive/canvas-lms,sdeleon28/canvas-lms,juoni/canvas-lms,antoniuslin/canvas-lms,juoni/canvas-lms,roxolan/canvas-lms,sfu/canvas-lms,snehakachroo1/LSI_replica,utkarshx/canvas-lms,instructure/canvas-lms,juoni/canvas-lms,antoniuslin/canvas-lms,utkarshx/canvas-lms,venturehive/canvas-lms,roxolan/canvas-lms,Rvor/canvas-lms,instructure/canvas-lms,grahamb/canvas-lms,AndranikMarkosyan/lms,fronteerio/canvas-lms,leftplusrightllc/canvas-lms,djbender/canvas-lms,roxolan/canvas-lms,sfu/canvas-lms,greyhwndz/canvas-lms,instructure/canvas-lms,fronteerio/canvas-lms,HotChalk/canvas-lms,roxolan/canvas-lms,narigone/canvas,djbender/canvas-lms,Jyaasa/canvas-lms,eCNAP/CANVAS,jay3126/canvas-lms,eCNAP/CANVAS,kyroskoh/canvas-lms,jay3126/canvas-lms,efrj/canvas-lms,eCNAP/CANVAS,snehakachroo1/LSI_replica,fronteerio/canvas-lms,grahamb/canvas-lms,matematikk-mooc/canvas-lms,redconfetti/canvas-lms,kyroskoh/canvas-lms,djbender/canvas-lms,HotChalk/canvas-lms,leftplusrightllc/canvas-lms,whalejasmine/canvas-lms,fronteerio/canvas-lms,eCNAP/CANVAS,tgroshon/canvas-lms,sfu/canvas-lms,antoniuslin/canvas-lms,leftplusrightllc/canvas-lms,Jyaasa/canvas-lms,SwinburneOnline/canvas-lms,SwinburneOnline/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,snehakachroo1/LSI_replica,skmezanul/canvas-lms,matematikk-mooc/canvas-lms,greyhwndz/canvas-lms,sdeleon28/canvas-lms,dgynn/canvas-lms,venturehive/canvas-lms,skmezanul/canvas-lms,tgroshon/canvas-lms,narigone/canvas,jay3126/canvas-lms,whalejasmine/canvas-lms,grahamb/canvas-lms,whalejasmine/canvas-lms,narigone/canvas,antoniuslin/canvas-lms,skmezanul/canvas-lms,narigone/canvas,sdeleon28/canvas-lms,jay3126/canvas-lms,sfu/canvas-lms,kyroskoh/canvas-lms,instructure/canvas-lms