v0.6.0

Changelog

• c5d7382: Add three preflight rules mined from the rejection corpus (@ul0gic)
• 55a8a8e: Fix pricing get availability fetch rejected by Apple's include cap (@ul0gic)
• ef2d607: Make unknown subcommands fail instead of exiting 0 (@ul0gic)
• 364b4c9: Populate review submission item references via include (@ul0gic)
• 8323850: Report true price counts instead of the 50-row sideload sample (@ul0gic)
• 8867baf: Share the review-detail attributes type from the asc package (@ul0gic)