Update python-eventlet to 0.33.0
    
    Test test_018b_http_10_keepalive_framing is failing to
    build in koji but it has been tested to work in a regular
    centos9 environment.
    
    Related-to: https://review.rdoproject.org/r/q/I89ebd18b58eaecaf7817e2fc39164eb6b6d8cbb5