Git-machete

- improved: modify formatting of command line documentation
- added: `git machete help <command>` now accepts command aliases
- fixed: removed stack trace when terminating `git machete` command prompt with `Ctrl+D`
- added: support for Python 3.11
- added: machete config key `machete.traverse.push` that controls default behavior of `traverse` command
- improved: formatting of the `config` section in the sphinx documentation

- added: `git machete github retarget-pr` now updates annotation for the branch associated with the retargeted PR
- improved: modify formatting in error message for `github create-pr`
- fixed: modify formatting of `git machete` commands output
- improved: the .gif file in the README.md file has been slowed down to provide a better viewing experience

- fixed: Homebrew release process

- added: `git-machete` is now available in homebrew core formulae; if `git-machete` has already been installed from the tap on a given machine, `brew` should automatically pull new updates from homebrew core from now on
- fixed: fork-point overridden with commit hash that no longer exists is ignored (doesn't crash git-machete anymore)

- fixed: removed redundant files from Ubuntu package
- fixed: fork-point overridden with invalid commit hash is ignored (doesn't crash git-machete anymore)
- fixed: `git machete diff` now works as intended (runs `git diff` against the current working directory, not the current branch)

- added: subcommand `git machete list childless`