Release of version 4.3.4:

• kojiwrapper: Add retries to login call (lsedlar)
• Variants file in config can contain path (onosek)
• nomacboot option for livemedia koji tasks (cobrien)
• doc: improve osbs_registries explanation (kdreyer)
• osbs: only handle archives of type "image" (kdreyer)
• Update the default greedy_method value in doc (ounsal)
• Fix the wrong working directory for the progress_notification script (ounsal)
• Filter out environment groups unmatch given arch (hlin)
• profiler: Respect provided output stream (lsedlar)
• modules: Correct a typo in loading obsoletes (ppisar)
• Do not clone the same repository multiple times, re-use already cloned repository (ounsal)