Description

This change repoints the astro login command to get the authentication configurations for the Astro environment from a Core endpoint instead of from Astrohub. This removes the last reference to Astrohub in the CLI.

🧪 Functional Testing

• Unit tests updated
• Manually logged in to each environment

📋 Checklist

• Rebased from the main (or release if patching) branch (before testing)
• Ran make test before taking out of draft
• Ran make lint before taking out of draft
• Added/updated applicable tests
• Tested against Astro-API (if necessary).
• Tested against Houston-API and Astronomer (if necessary).
• Communicated to/tagged owners of respective clients potentially impacted by these changes.
• Updated any related documentation