use Gemfile.lock or Gemfile.lock.next
use Gemfile.lock or Gemfile.lock.next

flag = none
closes: DE-524

[canvas-builds-refspec=faec085675d1131c3e26411ed8616543971b4894]

Change-Id: I494f9c74b2b92a6ab58869742b2b0ca6d345a004
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/258927
QA-Review: James Butters <4c5a489c9bb72d41f20b3b22aaf4c9b864e32f20@instructure.com>
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>
Reviewed-by: Aaron Ogata <11ccf682c06d1508642f943a3962a1c3d00b8e44@instructure.com>
Product-Review: James Butters <4c5a489c9bb72d41f20b3b22aaf4c9b864e32f20@instructure.com>

instructure/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,sfu/canvas-lms