package.json should include compute-cluster in dependencies
package.json should include compute-cluster in dependencies

Include compute-cluster in "dependencies" so `npm install --production`
works for building assets.

Test plan:
  - run rm -rf node_modules && npm install --production
  - run bundle exec rake canvas:compile_assets

Change-Id: Ie5b1d387608f24b59a736dbeb974cb1ec710cfbd
Reviewed-on: https://gerrit.instructure.com/34302
Reviewed-by: Jason Madsen <bcb5fff571a20f07c35d17ba9c364855c776dce7@instructure.com>
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Product-Review: Stanley Stuart <2b43fb8b7a234825d50dd49ce7892d78a59da8f3@instructure.com>
QA-Review: Stanley Stuart <2b43fb8b7a234825d50dd49ce7892d78a59da8f3@instructure.com>

whalejasmine/canvas-lms,grahamb/canvas-lms,whalejasmine/canvas-lms,greyhwndz/canvas-lms,Jyaasa/canvas-lms,wrdsb/canvas-lms,samuels410/greatlakes-lms,leftplusrightllc/canvas-lms,venturehive/canvas-lms,wrdsb/canvas-lms,utkarshx/canvas-lms,skmezanul/canvas-lms,efrj/canvas-lms,shidao-fm/canvas-lms,juoni/canvas-lms,juoni/canvas-lms,instructure/canvas-lms,dgynn/canvas-lms,kyroskoh/canvas-lms,Unow/canvas-lms,samuels410/greatlakes-lms,matematikk-mooc/canvas-lms,efrj/canvas-lms,ShreniiNepal/shrenii_lmp,snehakachroo1/LSI_replica,jay3126/canvas-lms,tgroshon/canvas-lms,eCNAP/CANVAS,Unow/canvas-lms,narigone/canvas,venturehive/canvas-lms,eCNAP/CANVAS,wye0220/shindig-canvas,antoniuslin/canvas-lms,grahamb/canvas-lms,va7map/canvas-lms,narigone/canvas,va7map/canvas-lms,roxolan/canvas-lms,jay3126/canvas-lms,snehakachroo1/LSI_replica,fronteerio/canvas-lms,greyhwndz/canvas-lms,redconfetti/canvas-lms,wrdsb/canvas-lms,roxolan/canvas-lms,greyhwndz/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,grahamb/canvas-lms,fronteerio/canvas-lms,samuels410/greatlakes-lms,sdeleon28/canvas-lms,antoniuslin/canvas-lms,grahamb/canvas-lms,sfu/canvas-lms,dgynn/canvas-lms,Jyaasa/canvas-lms,shidao-fm/canvas-lms,gbleydon/canvas-lms,sdeleon28/canvas-lms,AndranikMarkosyan/lms,dgynn/canvas-lms,HotChalk/canvas-lms,eCNAP/CANVAS,instructure/canvas-lms,usmschuck/canvas,utkarshx/canvas-lms,tgroshon/canvas-lms,jay3126/canvas-lms,greyhwndz/canvas-lms,skmezanul/canvas-lms,kyroskoh/canvas-lms,Rvor/canvas-lms,usmschuck/canvas,leftplusrightllc/canvas-lms,kyroskoh/canvas-lms,skmezanul/canvas-lms,whalejasmine/canvas-lms,gbleydon/canvas-lms,roxolan/canvas-lms,SwinburneOnline/canvas-lms,narigone/canvas,wye0220/shindig-canvas,kyroskoh/canvas-lms,HotChalk/canvas-lms,fronteerio/canvas-lms,Unow/canvas-lms,narigone/canvas,djbender/canvas-lms,sdeleon28/canvas-lms,antoniuslin/canvas-lms,fronteerio/canvas-lms,Rvor/canvas-lms,ShreniiNepal/shrenii_lmp,venturehive/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,shidao-fm/canvas-lms,tgroshon/canvas-lms,gbleydon/canvas-lms,instructure/canvas-lms,matematikk-mooc/canvas-lms,AndranikMarkosyan/lms,redconfetti/canvas-lms,wye0220/shindig-canvas,utkarshx/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,Rvor/canvas-lms,leftplusrightllc/canvas-lms,ShreniiNepal/shrenii_lmp,juoni/canvas-lms,matematikk-mooc/canvas-lms,Jyaasa/canvas-lms,dgynn/canvas-lms,sdeleon28/canvas-lms,sfu/canvas-lms,va7map/canvas-lms,redconfetti/canvas-lms,jay3126/canvas-lms,samuels410/greatlakes-lms,usmschuck/canvas,efrj/canvas-lms,juoni/canvas-lms,shidao-fm/canvas-lms,efrj/canvas-lms,matematikk-mooc/canvas-lms,SwinburneOnline/canvas-lms,roxolan/canvas-lms,whalejasmine/canvas-lms,usmschuck/canvas,AndranikMarkosyan/lms,snehakachroo1/LSI_replica,tgroshon/canvas-lms,djbender/canvas-lms,grahamb/canvas-lms,SwinburneOnline/canvas-lms,ShreniiNepal/shrenii_lmp,djbender/canvas-lms,va7map/canvas-lms,AndranikMarkosyan/lms,sfu/canvas-lms,instructure/canvas-lms,Jyaasa/canvas-lms,HotChalk/canvas-lms,redconfetti/canvas-lms,utkarshx/canvas-lms,leftplusrightllc/canvas-lms,sfu/canvas-lms,wrdsb/canvas-lms,antoniuslin/canvas-lms,Rvor/canvas-lms,snehakachroo1/LSI_replica,SwinburneOnline/canvas-lms,HotChalk/canvas-lms,eCNAP/CANVAS,djbender/canvas-lms,skmezanul/canvas-lms