roxctl: fix hash (#345544)

    owner = "stackrox";

    repo = "stackrox";

    rev = version;

    sha256 = "sha256-dJtqUYH6TUEb3IMSzVg3NBi1UYGvUPDQUaQ9h19a3NY=";

    sha256 = "sha256-H6pgPo2/RIpYnNOxP6PgIZhij1I45bm9DVkV2sNcW3A=";

  };

  vendorHash = "sha256-qDSi1Jk6erSCwPiLubdVlqOT6PQygMQghS8leieJ78s=";