Recommend python3-antlr4-runtime
    
    With a default installation, running `az` emits the following warning:
    "Error loading command module 'monitor': No module named 'antlr4'".
    
    Recommend the package so it gets pulled in by default, but can still be
    excluded if necessary.
    
    Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2254405