Revert Insights docker tag back to latest (#688)
Revert Insights docker tag back to latest (#688)


edx/edx-analytics-dashboard,Stanford-Online/edx-analytics-dashboard,edx/edx-analytics-dashboard,Stanford-Online/edx-analytics-dashboard,Stanford-Online/edx-analytics-dashboard,edx/edx-analytics-dashboard,edx/edx-analytics-dashboard,Stanford-Online/edx-analytics-dashboard