`:has` selector support for Firefox #157

Job	Run time
Repository Manager / Repository Manager / Autolink	6s
Repository Manager / Repository Manager / Branch Cleanup	0s
Repository Manager / Repository Manager / Commands	0s
Repository Manager / Repository Manager / Branch Rename	0s
Repository Manager / Repository Manager / Debug	0s
Repository Manager / Repository Manager / Issue Locking	0s
Repository Manager / Repository Manager / Label Sync	0s
Repository Manager / Repository Manager / Release	0s
Repository Manager / Repository Manager / Update Files	0s
	6s

Provide feedback