bump switchman version

Change-Id: I917579dfaf73f869b032aa9a5377129726095931
Reviewed-on: https://gerrit.instructure.com/35653
Reviewed-by: James Williams  <jamesw@instructure.com>
QA-Review: James Williams  <jamesw@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
Product-Review: Cody Cutrer <cody@instructure.com>