increase depth limit of json imports
increase depth limit of json imports

The default max_nesting for our json library is 20,
this sets it to 50

closes #4910

Change-Id: If5faa07992ec3a8ef6112c2dfde6158fe7f0a5c1
Reviewed-on: https://gerrit.instructure.com/4292
Reviewed-by: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>

ShreniiNepal/shrenii_lmp,sfu/canvas-lms,arrivu/hoodemo,efrj/canvas-lms,instructure/canvas-lms,narigone/canvas,usmschuck/canvas,jay3126/canvas-lms,redconfetti/canvas-lms,sli7246/canvas_branch,narigone/canvas,dgynn/canvas-lms,skmezanul/canvas-lms,matematikk-mooc/canvas-lms,arrivu/hiring-site,sdeleon28/canvas-lms,juoni/canvas-lms,faraazkhan/canvas,loganrun/pincan,venturehive/canvas-lms,grahamb/canvas-lms,ShreniiNepal/shrenii_lmp,nditech/red-innovadores-lms,venturehive/canvas-lms,wimemx/Canvas,usmschuck/canvas,wrdsb/canvas-lms,landonwilkins/canvas-lms,matematikk-mooc/canvas-lms,ankithbti/canvas_lms,redconfetti/canvas-lms,va7map/canvas-lms,arrivu/qibla-ecampus,redconfetti/canvas-lms,nditech/red-innovadores-lms,rup/Tarrax,sfu/canvas-lms,em2/canvas-lms,kyroskoh/canvas-lms,faraazkhan/canvas,parbros/red-innovadores-lms,tgroshon/canvas-lms,fronteerio/canvas-lms,kyroskoh/canvas-lms,va7map/canvas-lms,utkarshx/canvas-lms,matematikk-mooc/canvas-lms,eCNAP/CANVAS,whalejasmine/canvas-lms,tgroshon/canvas-lms,fronteerio/canvas-lms,loganrun/pincan,merichar/canvas-lms,arrivu/hoodemo,djbender/canvas-lms,antoniuslin/canvas-lms,leftplusrightllc/canvas-lms,samuels410/greatlakes-lms,whalejasmine/canvas-lms,SwinburneOnline/canvas-lms,AndranikMarkosyan/lms,instructure/canvas-lms,fronteerio/canvas-lms,landonwilkins/canvas-lms,grahamb/canvas-lms,jay3126/canvas-lms,venturehive/canvas-lms,dgynn/canvas-lms,jay3126/canvas-lms,matematikk-mooc/canvas-lms,efrj/canvas-lms,arrivu/arrivu-lms,arrivu/jigsaw-lms,tgroshon/canvas-lms,Rvor/canvas-lms,HotChalk/canvas-lms,ottenhoff/canvas-lms,antoniuslin/canvas-lms,loganrun/pincan,arrivu/hiring-site,Rvor/canvas-lms,eCNAP/CANVAS,roxolan/canvas-lms,skmezanul/canvas-lms,Unow/canvas-lms,usmschuck/canvas,va7map/canvas-lms,efrj/canvas-lms,antoniuslin/canvas-lms,HotChalk/canvas-lms,roxolan/canvas-lms,instructure/canvas-lms,kyroskoh/canvas-lms,sdeleon28/canvas-lms,ShreniiNepal/shrenii_lmp,ottenhoff/canvas-lms,faraazkhan/canvas,icelab/canvas,djbender/canvas-lms,whalejasmine/canvas-lms,merichar/canvas-lms,ottenhoff/canvas-lms,snehakachroo1/LSI_replica,sfu/canvas-lms,wye0220/shindig-canvas,HotChalk/canvas-lms,efrj/canvas-lms,greyhwndz/canvas-lms,juoni/canvas-lms,samuels410/greatlakes-lms,instructure/canvas-lms,grahamb/canvas-lms,arrivu/qibla-ecampus,juoni/canvas-lms,Unow/canvas-lms,roxolan/canvas-lms,gbleydon/canvas-lms,ankithbti/canvas_lms,utkarshx/canvas-lms,ankithbti/canvas_lms,wimemx/Canvas,sfu/canvas-lms,wrdsb/canvas-lms,landonwilkins/canvas-lms,antoniuslin/canvas-lms,merichar/canvas-lms,arrivu/jigsaw-lms,arrivu/arrivu-lms,samuels410/greatlakes-lms,sdeleon28/canvas-lms,Unow/ins,jay3126/canvas-lms,sli7246/canvas_branch,skmezanul/canvas-lms,leftplusrightllc/canvas-lms,Rvor/canvas-lms,SwinburneOnline/canvas-lms,usmschuck/canvas,va7map/canvas-lms,SwinburneOnline/canvas-lms,rup/Tarrax,fronteerio/canvas-lms,utkarshx/canvas-lms,arrivu/hiring-site,nditech/red-innovadores-lms,narigone/canvas,sli7246/canvas_branch,shidao-fm/canvas-lms,arrivu/qibla-ecampus,parbros/red-innovadores-lms,shidao-fm/canvas-lms,leftplusrightllc/canvas-lms,wye0220/shindig-canvas,Jyaasa/canvas-lms,venturehive/canvas-lms,em2/canvas-lms,ShreniiNepal/shrenii_lmp,grahamb/canvas-lms,icelab/canvas,wimemx/Canvas,Unow/ins,rup/Tarrax,utkarshx/canvas-lms,arrivu/arrivu-lms,dgynn/canvas-lms,shidao-fm/canvas-lms,greyhwndz/canvas-lms,snehakachroo1/LSI_replica,instructure/canvas-lms,wye0220/shindig-canvas,juoni/canvas-lms,eCNAP/CANVAS,AndranikMarkosyan/lms,Jyaasa/canvas-lms,Jyaasa/canvas-lms,wrdsb/canvas-lms,snehakachroo1/LSI_replica,greyhwndz/canvas-lms,skmezanul/canvas-lms,narigone/canvas,AndranikMarkosyan/lms,Rvor/canvas-lms,instructure/canvas-lms,gbleydon/canvas-lms,redconfetti/canvas-lms,parbros/red-innovadores-lms,icelab/canvas,Jyaasa/canvas-lms,greyhwndz/canvas-lms,gbleydon/canvas-lms,djbender/canvas-lms,AndranikMarkosyan/lms,sfu/canvas-lms,whalejasmine/canvas-lms,instructure/canvas-lms,landonwilkins/canvas-lms,djbender/canvas-lms,leftplusrightllc/canvas-lms,wrdsb/canvas-lms,sfu/canvas-lms,kyroskoh/canvas-lms,SwinburneOnline/canvas-lms,roxolan/canvas-lms,snehakachroo1/LSI_replica,eCNAP/CANVAS,tgroshon/canvas-lms,arrivu/jigsaw-lms,arrivu/hoodemo,grahamb/canvas-lms,sfu/canvas-lms,sdeleon28/canvas-lms,Unow/canvas-lms,dgynn/canvas-lms,Unow/ins,HotChalk/canvas-lms,nditech/red-innovadores-lms,em2/canvas-lms,shidao-fm/canvas-lms,samuels410/greatlakes-lms