bump switchman

Change-Id: Id2c4e1b83e448ac519e93ed53032bc2b262412c9
Reviewed-on: https://gerrit.instructure.com/40120
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Nick Cloward <ncloward@instructure.com>
Product-Review: Cody Cutrer <cody@instructure.com>
QA-Review: Cody Cutrer <cody@instructure.com>