Fix shebangs for new pagure hooks
    
    The shebangs for the pagure hooks were slightly wrong, so they did
    not match when being fixed up in packaging.
    
    In addition, there are some new hook files that need to have the
    shebangs set correctly during the package build.
    
    Signed-off-by: Neal Gompa <ngompa13@gmail.com></ngompa13@gmail.com>