fix boto version for ansible upgrade
fix boto version for ansible upgrade

arbrandes/edx-configuration,stvstnfrd/configuration,arbrandes/edx-configuration,stvstnfrd/configuration,stvstnfrd/configuration,arbrandes/edx-configuration,stvstnfrd/configuration,arbrandes/edx-configuration,edx/configuration,mitodl/configuration,stvstnfrd/configuration,arbrandes/edx-configuration,appsembler/configuration,EDUlib/configuration,mitodl/configuration,mitodl/configuration,edx/configuration,appsembler/configuration,EDUlib/configuration,EDUlib/configuration,edx/configuration,EDUlib/configuration,edx/configuration,appsembler/configuration,EDUlib/configuration,appsembler/configuration,mitodl/configuration