When the repo is `3 days old` (pre-release) or `30 days old` (production), display a message in the terminal: `The gt command was last updated X days ago - run "gt self-update" to update`.
When the repo is
3 days old(pre-release) or30 days old(production), display a message in the terminal:The gt command was last updated X days ago - run "gt self-update" to update.