bump switchman version

fixes CNVS-13611

Change-Id: Icc9a8851c1fea98abfb5949f5093084577abaf0b
Reviewed-on: https://gerrit.instructure.com/40591
Reviewed-by: Cody Cutrer <cody@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
QA-Review: Brian Palmer <brianp@instructure.com>
Product-Review: Brian Palmer <brianp@instructure.com>