Enables the marketplace-starter-plan feature flag on the wpcalypso environment, so folks can test the Marketplace plugins on the Starter plan (pdtkmj-dL-p2) more easily in wpcalypso.wordpress.com without manually activating the flag.
Testing Instructions
Use the Calypso live link below (it uses the wpcalypso environment)
Confirm you can purchase paid plugins on sites with the Starter plan.
Make sure all unit and E2E tests pass
Unfortunately, no screenshots were provided by the developer.