Git-machete

- Added the interactive traverse feature.
- Improved performance of the plugin on large repos with 100,000s of commits in history.
- Moved Discover action to near the end of the toolbar.
- Pull action no longer uses explicit `+refs/heads/*:refs/remotes/<remote>/*` refspec,
but instead relies on the default refspec(s) from git config.
- Improved the formatting of user-facing messages.

- Improve CI build stability.
- Enhance the (Force) Push dialog with the default help action, the push tags option and the title indicating the repository.
- Improve the stability and reliability of the plugin.

- Fixed the issue with the unmanaged branch notification showing up after adding a branch from an external (non-IntelliJ) terminal.
- Fixed the text overflow in VCS notifications.
- Fixed the text overflow in the Reset Info dialog.
- Improve the stability and reliability of the plugin.

- Added a new `alt + enter` intention action to create a non-existing branch if user adds it to the machete file.
- Added an option to manually pick a commit for the fork point override.
- Fixed project-dependent settings persistence.
- Added a notification after checking out an unmanaged branch with an option to add the branch to the branch layout.

- Removed automatic rediscovery in case of empty machete file
- Fixed indication of a repeated entry in machete file.

- Added support for IntelliJ 2022.3.
- Fixed spurious `NullPointerException` thrown when opening machete file via toolbar, as reported by oksana-cherniavskaia.
- Added branch navigation allowing to check out:
* previous branch with `alt + up-arrow`,
* next branch with `alt + down-arrow`,
* parent branch with `alt + left-arrow`,
* first child branch with `alt + right-arrow`
when Git Machete tab is opened, and has focus.

Note that `option` key is the equivalent of `alt` in macOS.