Support for TFX 1.4, TF 2.6, Beam 2.33.0 (#58)

* ermoved used _float_feature

* Updated dependencies

* updated tfdv notebook

* updated apache beam example

* updated components

* updated interactive notebook, working with tfx 1.4

* airflow updates

* updated beam pipeline example

* kubeflow updates

* updated beam_arg

* added vertex example

* renamed to vertex

* Updated readme

Update requirements.txt to include security releases