2.0.0-rc.3

• Various fixesand improvements relating to crystal frequency and serial monitor for the ESP32-C2 #314 #315 #330
• Add support for flashing the ESP32-C6 #317
• Reorder ports so that known ports appear first in CLI #324
• Make the flasher return a struct of device information instead of printing directly #328
• CLI improvements and dependency updates #334
• Use the flasher stub by default #337
• Mark public enums as #[non_exhaustive] for semver compatibility #338
• If a bootloader and/or partition table other than the defaults have been provided, indicate such #339
• Add an optional callback trait which can be implemented and provided to most flashing functions #333