Bump version of ipa.conf file
    
    In commit 157831a287c64106eed4 the version bump was forgotten and therefore the
    ipa.conf file is not replaced during upgrade and login using certificate when
    single certificate is mapped to multiple users doesn't work.
    
    https://pagure.io/freeipa/issue/6860
    
    Reviewed-By: Martin Basti <mbasti@redhat.com>