wlink v0.1.2

Added

• Add experimental CH32H41x support, including CH32H417 flashing, package ID reporting, and CH32H415/CH32H416/CH32H417 chip aliases.
• Include USB serial numbers in probe listing output.

Changed

• Migrate from rusb to nusb 0.2.
• Rename the CH32V007 chip family to CH32V00X.

Fixed

• Fix compile error on Windows.
• Fix CH585 incorrectly reporting itself as CH59x.
• Preserve the original attach error details when chip attach fails.
• Preserve option bytes by skipping read-unprotect when flash is already read-unprotected.
• Preserve write-protect cleanup during erase after skipping unnecessary read-unprotect.