Log Message:
wm/leftwm: update to 0.4.2

Happy Summer (or Winter to our Southern Hemisphere friends), Fellow Adventurers!
A tiny bit delayed, here comes a minor version bump to 0.4.2 with multiple
changes. For one, the main driver of this issue is for fixing the git macro
install error, however, there have been a multitude of other changes since
0.4.1 also:

✨ Features
 - The new ignore_empty and ignore_used options in FocusNext/Previous Tag
 - Command SwapWindowToTop introduced

🐞 Fixes and Improvements
 - Fixes to ordering of windows after exiting from full screen mode
 - Basic theme and documentation fixes
 - Improved performance for set_layout , event_loop, and Xscreens
 - Improved error messages for leftwm-state and leftwm-check
 - Cursors now snap to the bottom right of a window when resizing

🦀 Minimum Supported Rust Version
 - The currently supported MSRV is 1.65.0

🐧 Future
There has been considerable new interest in leftwm and several new contributors
and pull requests, we can't wait to see momentum in leftwm continue to grow.
One of the most intriguing things is the beginning of Wayland support with
leftway in #1073.