RHTAP build fails due to using max() function

    RHTAP builds are failing because with the addition of request serving node schedueler [1] we use max() [2]  function that required a golang version 1.21 however the containerfile [3] that is used for building the HO binary in rhtap is using 1.20

[1] https://issues.redhat.com/browse/HOSTEDCP-1478 
[2] https://github.com/openshift/hypershift/pull/3776/files#diff-a7f22add63b0067c0a7c9813255519d1432821f431f6eea0c3373d0646d1a855R489
[3] https://github.com/openshift/hypershift/blob/main/Containerfile.operator#L1

    4.16

100%    

    1.Run rhtap on main branch
    2.
    3.
    

    Fail

    Pass