Log Message:
restic: update to 0.16.3.

# Changelog for restic 0.16.3 (2024-01-14)

 * Fix #4560: Improve errors for irregular files on Windows
 * Fix #4574: Support backup of deduplicated files on Windows again
 * Fix #4612: Improve error handling for `rclone` backend
 * Fix #4624: Correct `restore` progress information if an error occurs
 * Fix #4626: Improve reliability of restoring large files