GitLab

refs DE-687

Convert jobs over to EKS-compatible syntax in order to perform AB testing on EKS builds.

Test Plan
1. EC2 builds JS job with correct number of test results
2. EKS builds JS job with correct number of test results

[canvas-builds-refspec=3f9a35ef55d38ac885c3a4daef03e7e19cd8f4e7]

Change-Id: I350f2983eebeda4aa634daba0579389b3b987c6b
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/265580

Tested-by: Service Cloud Jenkins <svc.cloudjenkins@instructure.com>
QA-Review: Aaron Ogata <aogata@instructure.com>
Product-Review: Aaron Ogata <aogata@instructure.com>
Reviewed-by: Kyle Rosenbaum <krosenbaum@instructure.com>