Enable Feature Flags by default - monthly CI Minutes usage and tracking quotas

Tasks

Enable the Feature flags from the CI Minutes usage and monthly quotas tracking built as part of #277424 (closed), #277447 (closed) and #277449 (closed) by default
Compare the statistics tracked in the new monthly CI usage data with the current mechanism for tracking CI usage and quotas
Create dashboards and highlight metrics that identify equal data sets for customers' monthly CI minutes usage and quotas

Edited Mar 11, 2021 by Fabio Pitino