Prep canvas-rce for npm publish @5.2.0
Prep canvas-rce for npm publish @5.2.0

refs MAT-239
flag=none

test plan:
  - jenkins passes

Change-Id: I1d49e6fb581be7086f113532ae780985f68610de
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/280772
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>
Reviewed-by: Weston Dransfield <e9203059795dc94e28a8831c65eb7869e818825e@instructure.com>
QA-Review: Weston Dransfield <e9203059795dc94e28a8831c65eb7869e818825e@instructure.com>
Product-Review: Jon Scheiding <9af6aa5061dd5eef0e85122953253a66930fcf3e@instructure.com>

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