Log Message:
sysutils/felix: update to 1.2.0

Changed
 - Huge refactoring: Instead of thiserror, use custom error type to make it
   easier to handle.
 - Bump up chrono version to 0.4.22, clarifing the feature to use.
 - Avoid extra heap allocation by using write! instead of push_str/format!.
 - Copied item will be renamed with the suffix "_{count}" such as \ 
"test_1.txt",
   instead of "test_copied.txt".

Fixed
 - Choose None for directory extension.