bump encrypted_cookie_store

Change-Id: I88fd54dcce77992525c86028dc663b7828094a36
Reviewed-on: https://gerrit.instructure.com/36803
Reviewed-by: Rob Orton <rob@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
Product-Review: Cody Cutrer <cody@instructure.com>
QA-Review: Cody Cutrer <cody@instructure.com>