bump switchman

Change-Id: I329259d419fe20deb1c46ff2048bdf46bf980845
Reviewed-on: https://gerrit.instructure.com/36356
Reviewed-by: Jacob Fugal <jacob@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
Product-Review: Cody Cutrer <cody@instructure.com>
QA-Review: Cody Cutrer <cody@instructure.com>