UNIX -> POSIX

Author: lpil

CHANGELOG.md

@@ -50,7 +50,7 @@
   ([Drew Olson](https://github.com/drewolson))
 
 - Two entry point scripts are now always generated by `gleam export erlang-shipment`:
-  - `entrypoint.sh` for UNIX Shell
+  - `entrypoint.sh` for POSIX Shell
   - `entrypoint.ps1` for PowerShell
   ([Greg Burri](https://github.com/ummon))