Patch Tester 4.0.0 Release Candidate 3

This release runs only on Joomla 4.

Update warning

Any previous installation of the Joomla! Patch Tester must be uninstalled as this release contains some major changes due to the addition of showing Github labels.

Prior to uninstalling you may want to make a backup of your Github token so it is easy to restore it.

Fixes/improvements since last release:

[#199] - Link to Patchtester after Installation
[#277] - Makes icons conform to pr #28075 in J! 4.0-dev
[#279] - Inconsistent default CI settings
[#281] - Use namespace mapper to regenerate namespace map
[#285] - Avoid github deprecation mails when using the token
[Commit c1ab5c56] - Show error message in modal window
[Commit 568f372f] - Fixed resetting the pull requests
[Commit 5508865f] - Implement Github labels and NPM filter
Language updates

All changes since the previous release can be viewed here