* feat(last): add --since and --until
* clean up clap slightly
* fix clippy
* test(last): add tests for --since and --until
* refactor(last): resolve review comments
* test(last): set cfg for since and until to unix
* remove unnecessary comment
* move parse_time_value below uumain
* minor cleanup
* fix ci issues
* last: fix not all hostnames are shown in the last column with --hostlast option
* last: fix not all hostnames are shown in the last column with --hostlast option
* Added test case related to the hostlast option in last command.
* Change binary input fixture name for last command and Fix format source code.
* feat: add macOS platform & update tests for compatibility
* fix: correct formatting in platform and test files for macOS compatibility
* fix: format
* fix: correct variable name and improve test output handling
